{"product_id":"msa-advantage-gmc-ov-acid-gas-respirator-cartridge-2-pack","title":"MSA 815357 Advantage GMC OV\/Acid Gas Respirator Cartridge, 2-Pack","description":"\u003cdiv style=\"background:#1a1a1a;border:2px solid #ff9800;border-radius:6px;padding:16px 20px;margin:0 0 24px 0;color:#e0e0e0;font-size:0.95em;line-height:1.5;\"\u003e\n\u003cstrong style=\"color:#ff9800;\"\u003e★ WC Safety Editorial Review — MSA Advantage GMC OV \/ Acid Gas Cartridge\u003c\/strong\u003e\u003cbr\u003eRated 4.4\/5 — organic vapor and acid gas combination for MSA Advantage snap-on respirators. Covers solvent + acid co-exposure in a single cartridge pair. 2-pack.\u003cdiv style=\"margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;\"\u003e\n\u003ca href=\"\/blogs\/product-reviews\/msa-815357-advantage-gmc-ov-acid-gas-cartridge-review\" style=\"display:inline-block;background:#ff9800;color:#1a1a1a;padding:8px 18px;text-decoration:none;font-weight:700;border-radius:4px;font-size:0.9em;\" title=\"Read the full MSA Advantage GMC OV \/ Acid Gas Cartridge editorial review\"\u003eRead Full Review →\u003c\/a\u003e\u003ca href=\"\/collections\/msa-respirator-filters-and-cartridges\" style=\"display:inline-block;background:#1a2733;color:#e0e0e0;padding:8px 18px;text-decoration:none;font-weight:700;border-radius:4px;border:1px solid #ff9800;font-size:0.9em;\" title=\"Compare all MSA respirator cartridges and filters\"\u003eCompare All MSA Cartridges →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description-rich\"\u003e\n\n  \u003c!-- 0. EDITORIAL REVIEW BOX --\u003e\n  \u003cdiv class=\"wc-review-box\" style=\"border:2px solid #ff9800;background:#2a2520;border-radius:8px;padding:20px 24px;margin:0 0 24px 0;color:#f5e6d3;\"\u003e\n    \u003cdiv style=\"display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap;\"\u003e\n      \u003cspan style=\"background:#ff9800;color:#1a1a1a;font-weight:bold;padding:4px 12px;border-radius:4px;font-size:0.95em;\"\u003eEDITORIAL REVIEW: 4.4\/5\u003c\/span\u003e\n      \u003cspan style=\"color:#ffb74d;font-size:0.9em;\"\u003eWC Safety Review — MSA 815357 Advantage GMC OV\/Acid Gas Cartridge\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e Chemical processing technicians, laboratory workers, semiconductor cleanroom staff, and industrial maintenance personnel working in environments with simultaneous exposure to organic solvents AND acid gases such as chlorine, sulfur dioxide, hydrogen chloride, hydrogen sulfide, or chlorine dioxide.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eNot For:\u003c\/strong\u003e Ammonia or methylamine exposure (use \u003ca href=\"\/products\/msa-advantage-gme-multi-gas-vapor-respirator-cartridge-2-pack\" style=\"color:#ff9800;\"\u003eMSA 815359 GME\u003c\/a\u003e), airborne particulates without a P100 prefilter, and never for oxygen-deficient or IDLH atmospheres.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eBottom Line:\u003c\/strong\u003e The MSA 815357 GMC is the right cartridge when your SDS lists both solvent vapors and acid gases — it handles both in a single snap-on unit. Workers who need dust protection in addition should step up to the \u003ca href=\"\/products\/msa-advantage-gmc-p100-ov-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#ff9800;\"\u003eMSA 815364 GMC-P100\u003c\/a\u003e, or snap on an \u003ca href=\"\/products\/msa-advantage-p100-low-profile-respirator-filter-2-pack\" style=\"color:#ff9800;\"\u003eMSA 815369 LP P100 prefilter\u003c\/a\u003e.\u003c\/p\u003e\n    \u003cp style=\"font-size:0.9em;color:#cbb89e;\"\u003eEditorial assessment by the WC Safety Editorial Team. WC Safety did not laboratory-test this product; scoring reflects published manufacturer specifications, application fit, compatibility, safety limitations, and category expertise.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 1. OVERVIEW --\u003e\n  \u003ch2 id=\"overview\" style=\"color:#ff9800;\"\u003eMSA 815357 GMC OV\/Acid Gas Cartridge Overview\u003c\/h2\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 is a NIOSH-certified combination organic vapor and acid gas respirator cartridge that snaps onto MSA Advantage series half-mask and full-facepiece respirators via the twin-port snap-on bayonet mount. It is sold as a matched pair (2 cartridges) and carries NIOSH's olive\/yellow-green color designation for OV plus acid gas combination protection. This cartridge is designed for co-exposure environments where both solvent vapors and acid gases appear on the same Safety Data Sheet.\u003c\/p\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe GMC cartridge addresses one of the most common dual-hazard scenarios in industrial settings: a process that generates organic vapors from solvents alongside acidic byproducts or cleaning agents. Without a combination cartridge, workers would need two separate cartridge types — the GMC handles both hazard classes in a single unit. For background on how OV and acid gas protection layers work, see our guide \u003ca href=\"\/blogs\/guides\/respirator-filter-types-explained\" style=\"color:#4fc3f7;\"\u003eRespirator Filter Types Explained\u003c\/a\u003e. To confirm this is the right selection for your specific chemical exposure, consult our \u003ca href=\"\/blogs\/guides\/how-to-choose-a-respirator-cartridge\" style=\"color:#4fc3f7;\"\u003ecomplete respirator cartridge selection guide\u003c\/a\u003e. Browse all \u003ca href=\"\/collections\/msa-respirator-filters-and-cartridges\" style=\"color:#4fc3f7;\"\u003eMSA Advantage respirator filters and cartridges\u003c\/a\u003e or narrow to \u003ca href=\"\/collections\/organic-vapor-respirator-cartridges\" style=\"color:#4fc3f7;\"\u003eorganic vapor cartridges\u003c\/a\u003e for side-by-side comparisons.\u003c\/p\u003e\n\n  \u003c!-- 2. WHERE IT FITS --\u003e\n  \u003ch2 id=\"selection\" style=\"color:#ff9800;\"\u003eWhere the MSA 815357 GMC Fits in Respirator Selection\u003c\/h2\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eCombination OV\/acid gas cartridges occupy a specific tier in respirator selection: they are required when a workplace's air monitoring or SDS confirms that both organic vapors and acid gases are simultaneously present at concentrations above the action level. Using a vapor-only cartridge like the \u003ca href=\"\/products\/msa-advantage-gma-organic-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815355 GMA\u003c\/a\u003e in an acid gas environment provides zero acid gas protection, leaving the worker unprotected against chlorine, HCl, SO₂, and related hazards.\u003c\/p\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe selection decision for the 815357 hinges on three questions: \u003cstrong\u003e(1) Are organic vapors present?\u003c\/strong\u003e \u003cstrong\u003e(2) Are acid gases present?\u003c\/strong\u003e \u003cstrong\u003e(3) Are particulates also present?\u003c\/strong\u003e The GMC answers yes to the first two; if particulates are also on your SDS, add an \u003ca href=\"\/products\/msa-advantage-p100-low-profile-respirator-filter-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815369 LP P100 prefilter\u003c\/a\u003e to the GMC, or replace the GMC entirely with the \u003ca href=\"\/products\/msa-advantage-gmc-p100-ov-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815364 GMC-P100\u003c\/a\u003e. If ammonia or methylamine is also present, the \u003ca href=\"\/products\/msa-advantage-gme-multi-gas-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815359 GME Multi-Gas\u003c\/a\u003e adds that coverage at the same price. Our \u003ca href=\"\/blogs\/guides\/respirator-cartridge-color-chart\" style=\"color:#4fc3f7;\"\u003erespirator cartridge color chart guide\u003c\/a\u003e maps NIOSH color codes to hazard classes and is a useful cross-check for selecting the right cartridge from your SDS.\u003c\/p\u003e\n\n  \u003c!-- 3. WHO SHOULD BUY --\u003e\n  \u003ch2 id=\"who\" style=\"color:#ff9800;\"\u003eWho Should Buy the MSA 815357 GMC Cartridge?\u003c\/h2\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003e\u003cstrong\u003eBuy the 815357 GMC if:\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cul style=\"color:#e0e0e0;\"\u003e\n    \u003cli\u003eYou already own an MSA Advantage 200LS, 420, 1000, 3000, or 4000 series respirator and need OV plus acid gas replacement cartridges.\u003c\/li\u003e\n    \u003cli\u003eYour SDS or industrial hygiene assessment confirms simultaneous exposure to organic solvents AND one or more acid gases: Cl₂, SO₂, ClO₂, HCl, or H₂S (escape-only for H₂S).\u003c\/li\u003e\n    \u003cli\u003eYou work in chemical processing, laboratory environments, semiconductor fabrication cleaning, or industrial maintenance where acidic cleaning agents and organic solvents are both used.\u003c\/li\u003e\n    \u003cli\u003eYou want a single-cartridge solution for dual vapor\/acid gas hazards without paying for P100 particulate filtration you do not need.\u003c\/li\u003e\n    \u003cli\u003eYour environment is vapor-only with no significant airborne dust or mist component.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003e\u003cstrong\u003eChoose a different cartridge if:\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cul style=\"color:#e0e0e0;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOV only, no acid gases\u003c\/strong\u003e → \u003ca href=\"\/products\/msa-advantage-gma-organic-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815355 GMA OV cartridge\u003c\/a\u003e at $32.00 saves $2 per pack.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAcid gas only, no OV\u003c\/strong\u003e → \u003ca href=\"\/products\/msa-advantage-gmb-acid-gas-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815356 GMB Acid Gas\u003c\/a\u003e at $23.90 covers acid gases without OV sorbent.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAmmonia or methylamine also present\u003c\/strong\u003e → \u003ca href=\"\/products\/msa-advantage-gme-multi-gas-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815359 GME Multi-Gas\u003c\/a\u003e adds ammonia\/methylamine protection at the same $34.00 price.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eParticulates, dust, or mist also present\u003c\/strong\u003e → \u003ca href=\"\/products\/msa-advantage-gmc-p100-ov-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815364 GMC-P100\u003c\/a\u003e adds P100 filtration for $47.00.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMercury vapor or chlorine P100 application\u003c\/strong\u003e → \u003ca href=\"\/products\/msa-advantage-mersorb-mercury-chlorine-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815368 Mersorb\u003c\/a\u003e is the specialized choice.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eYou own an MSA Comfo Classic, Comfo II, Ultra Elite, or Ultra-Twin respirator\u003c\/strong\u003e → those platforms use a different connection; Advantage-series cartridges will not physically fit.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- 4. WHAT IT PROTECTS AGAINST --\u003e\n  \u003ch2 id=\"protection\" style=\"color:#ff9800;\"\u003eWhat Does the MSA 815357 GMC Protect Against?\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;color:#e0e0e0;margin-bottom:16px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#2a2a2a;\"\u003e\n        \u003cth style=\"border:1px solid #333;padding:10px;text-align:left;color:#ffb74d;\"\u003eHazard Class\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:10px;text-align:left;color:#ffb74d;\"\u003eProtection Status\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:10px;text-align:left;color:#ffb74d;\"\u003eBuyer Guidance\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eOrganic solvent vapors (acetone, toluene, MEK, xylene, naphtha)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Protected (OV)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003ePrimary OV use case; chemical boiling point must be above 65 °C (150 °F)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eChlorine (Cl₂)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Protected (Acid Gas)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eKey driver for this cartridge in water treatment and chemical processing\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eSulfur dioxide (SO₂)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Protected (Acid Gas)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eCommon in chemical manufacturing and combustion environments\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eChlorine dioxide (ClO₂)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Protected (Acid Gas)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eUsed in pulp\/paper bleaching and water disinfection\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eHydrogen chloride \/ hydrochloric acid vapor (HCl)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Protected (Acid Gas)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eCommon in semiconductor etching, pickling, and lab acid work\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eHydrogen sulfide (H₂S)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Escape only\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eNIOSH-rated for emergency escape; not rated for routine H₂S work entry\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003ePaint vapors, lacquers, varnishes\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Protected (OV)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eAdd LP P100 prefilter if overspray mist is also present\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eAmmonia \/ methylamine\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e❌ Not Protected\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eUse \u003ca href=\"\/products\/msa-advantage-gme-multi-gas-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815359 GME\u003c\/a\u003e if ammonia is present\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eAirborne dust, mist, or fume particulates\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e❌ Not Protected\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eAdd \u003ca href=\"\/products\/msa-advantage-p100-low-profile-respirator-filter-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815369 LP P100 prefilter\u003c\/a\u003e or use \u003ca href=\"\/products\/msa-advantage-gmc-p100-ov-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003e815364 GMC-P100\u003c\/a\u003e\n\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMercury vapor\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e❌ Not Protected\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eUse \u003ca href=\"\/products\/msa-advantage-mersorb-mercury-chlorine-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815368 Mersorb\u003c\/a\u003e for mercury vapor\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- 5. WHAT IT DOES NOT PROTECT AGAINST --\u003e\n  \u003ch2 id=\"limitations\" style=\"color:#ff9800;\"\u003eWhat the MSA 815357 GMC Does NOT Protect Against\u003c\/h2\u003e\n  \u003cul style=\"color:#e0e0e0;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAmmonia and methylamine\u003c\/strong\u003e — the GMC sorbent does not capture alkaline gases. Use \u003ca href=\"\/products\/msa-advantage-gme-multi-gas-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815359 GME Multi-Gas\u003c\/a\u003e when ammonia or methylamine appears on the SDS.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAirborne particulates (dust, mist, fume)\u003c\/strong\u003e — the GMC cartridge contains no particulate filter media. Attach the \u003ca href=\"\/products\/msa-advantage-p100-low-profile-respirator-filter-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815369 LP P100 prefilter\u003c\/a\u003e over the GMC when dust or mist is co-present, or step up to the \u003ca href=\"\/products\/msa-advantage-gmc-p100-ov-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815364 GMC-P100 combination cartridge\u003c\/a\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMercury vapor\u003c\/strong\u003e — requires the specialized Mersorb sorbent found in the \u003ca href=\"\/products\/msa-advantage-mersorb-mercury-chlorine-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815368 Mersorb cartridge\u003c\/a\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRadioiodine\u003c\/strong\u003e — use \u003ca href=\"\/products\/msa-advantage-gmi-radioiodine-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815641 GMI\/P100\u003c\/a\u003e for radioiodine and radiological particulate applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eChemicals with boiling points below 65 °C (150 °F)\u003c\/strong\u003e — very low-boiling solvents such as methyl chloride break through activated carbon sorbent rapidly; verify with your industrial hygienist.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eH₂S routine entry\u003c\/strong\u003e — H₂S protection is rated for escape only; do not use the GMC for routine entry into hydrogen sulfide atmospheres.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNon-MSA Advantage respirators\u003c\/strong\u003e — the snap-on bayonet mount is MSA Advantage-specific and will not connect to MSA Comfo Classic, Comfo II, Ultra Elite, Ultra-Twin, or any non-MSA half-mask or full-facepiece.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- SAFETY CALLOUT — appears exactly once --\u003e\n  \u003cdiv style=\"background:#2a1a1a;border-left:4px solid #ff5555;padding:14px 18px;margin:16px 0;border-radius:4px;\"\u003e\n    \u003cp style=\"color:#e0e0e0;margin:0;\"\u003e\u003cstrong style=\"color:#ff5555;\"\u003eSafety Notice:\u003c\/strong\u003e Air-purifying respirators including the MSA 815357 GMC do not supply oxygen and must never be used in oxygen-deficient atmospheres (below 19.5% O₂), immediately dangerous to life or health (IDLH) concentrations, or any unknown-contaminant environment. Use only where sufficient oxygen is present and contaminant concentrations are within the rated service limits. Consult your industrial hygienist and your employer's written respiratory protection program per OSHA 29 CFR 1910.134 before use. Because no Advantage-series cartridge includes an End-of-Service-Life Indicator (ESLI), a written change-out schedule is required under OSHA 1910.134.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 6. BEST APPLICATIONS --\u003e\n  \u003ch2 id=\"applications\" style=\"color:#ff9800;\"\u003eBest Applications for the MSA 815357 GMC Cartridge\u003c\/h2\u003e\n\n  \u003ch3 id=\"app-chemical\" style=\"color:#ffb74d;\"\u003eChemical Processing and Industrial Labs\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eChemical plants and industrial laboratories routinely handle processes that generate both organic solvent vapors and acid gas byproducts simultaneously. Reactor cleaning with solvent followed by acid rinse, distillation operations, and chemical synthesis steps involving both organic and inorganic reagents are all classic GMC use cases. Workers on these tasks need a cartridge that responds to both hazard classes without requiring a mid-task cartridge swap. The MSA 815357 GMC, paired with an MSA Advantage \u003ca href=\"\/collections\/half-face-respirators\" style=\"color:#4fc3f7;\"\u003ehalf-face respirator\u003c\/a\u003e or \u003ca href=\"\/collections\/full-face-respirators\" style=\"color:#4fc3f7;\"\u003efull-face respirator\u003c\/a\u003e, provides that dual coverage in a single matched pair. For labs where particulates are also a concern — catalyst dust, precipitate handling — add the \u003ca href=\"\/products\/msa-advantage-p100-low-profile-respirator-filter-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815369 LP P100 prefilter\u003c\/a\u003e.\u003c\/p\u003e\n\n  \u003ch3 id=\"app-semiconductor\" style=\"color:#ffb74d;\"\u003eSemiconductor and Electronics Cleaning\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eSemiconductor fabrication and electronics cleaning involves etchants (HF, HCl, H₂SO₄ precursors) used alongside organic solvents (isopropyl alcohol, acetone, NMP) for wafer cleaning, photoresist stripping, and substrate preparation. The acid gas component — particularly hydrogen chloride vapor from HCl-based etchants — makes a vapor-only OV cartridge insufficient. The GMC's combined OV and acid gas protection addresses both hazard classes present in cleanroom chemical handling. Workers using MSA Advantage respirators in this environment — particularly those on the \u003ca href=\"\/collections\/full-face-respirators\" style=\"color:#4fc3f7;\"\u003eMSA Advantage 3000 or 4000 full-face\u003c\/a\u003e — will find the 815357 a direct-fit solution for standard chemical handling tasks.\u003c\/p\u003e\n\n  \u003ch3 id=\"app-multi\" style=\"color:#ffb74d;\"\u003eMulti-Hazard Solvent and Acid Gas Environments\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eIndustrial cleaning operations, maintenance work in chemical plants, and surface treatment processes (pickling, passivation, anodizing) often expose workers to a rotating roster of chemicals across a single shift. A maintenance tech cleaning equipment with solvent before applying an acid descaler, or a process worker who rotates between organic vapor and acid gas tasks, benefits from a single cartridge type that covers both hazard classes throughout the shift. The MSA 815357 GMC eliminates the need to track multiple cartridge types and reduces the risk of using the wrong cartridge on a given task. See our \u003ca href=\"\/blogs\/guides\/organic-vapor-vs-p100\" style=\"color:#4fc3f7;\"\u003eorganic vapor vs P100 guide\u003c\/a\u003e and \u003ca href=\"\/blogs\/guides\/respirator-cartridge-color-chart\" style=\"color:#4fc3f7;\"\u003ecartridge color chart\u003c\/a\u003e for help confirming this is the right combination for your SDS.\u003c\/p\u003e\n\n  \u003c!-- 7. PROS \/ CONS --\u003e\n  \u003ch2 id=\"pros-cons\" style=\"color:#ff9800;\"\u003eMSA 815357 GMC — Pros and Cons\u003c\/h2\u003e\n  \u003cdiv style=\"display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;\"\u003e\n    \u003cdiv style=\"background:#1a2a1a;border:1px solid #2e5c2e;border-radius:6px;padding:16px;\"\u003e\n      \u003cp style=\"color:#81c784;font-weight:bold;margin:0 0 10px 0;\"\u003ePros\u003c\/p\u003e\n      \u003cul style=\"color:#e0e0e0;margin:0;padding-left:18px;\"\u003e\n        \u003cli\u003eDual OV + acid gas protection in one cartridge — no mid-shift swap\u003c\/li\u003e\n        \u003cli\u003eCovers five acid gases: Cl₂, SO₂, ClO₂, HCl, H₂S (escape)\u003c\/li\u003e\n        \u003cli\u003eSnap-on bayonet mount — tool-free install and removal on all MSA Advantage respirators\u003c\/li\u003e\n        \u003cli\u003eSame price as the GME Multi-Gas; no premium for acid gas coverage\u003c\/li\u003e\n        \u003cli\u003eNIOSH-certified combination cartridge with verified protection ratings\u003c\/li\u003e\n        \u003cli\u003eSold as a 2-pack (matched pair) — ready to use out of the box\u003c\/li\u003e\n        \u003cli\u003eCompatible with LP P100 prefilter snap-on for upgradeable particulate protection\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#2a1a1a;border:1px solid #5c2e2e;border-radius:6px;padding:16px;\"\u003e\n      \u003cp style=\"color:#e57373;font-weight:bold;margin:0 0 10px 0;\"\u003eCons\u003c\/p\u003e\n      \u003cul style=\"color:#e0e0e0;margin:0;padding-left:18px;\"\u003e\n        \u003cli\u003eNo particulate filtration — requires LP P100 prefilter add-on for dusty environments\u003c\/li\u003e\n        \u003cli\u003eNo ammonia\/methylamine protection — choose GME if alkaline gases are present\u003c\/li\u003e\n        \u003cli\u003eNo ESLI — written change-out schedule mandatory under OSHA 1910.134\u003c\/li\u003e\n        \u003cli\u003eH₂S protection rated for escape only, not routine entry\u003c\/li\u003e\n        \u003cli\u003eOnly fits MSA Advantage bayonet — not compatible with any other respirator platform\u003c\/li\u003e\n        \u003cli\u003e$13 less protection than GMC-P100 if P100 will eventually be needed\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 8. COMPATIBLE MSA RESPIRATORS --\u003e\n  \u003ch2 id=\"compatibility\" style=\"color:#ff9800;\"\u003eCompatible MSA Respirators for the 815357 GMC\u003c\/h2\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 GMC uses the MSA Advantage snap-on bayonet (twin-port) connection. It fits all respirators in the MSA Advantage platform and is incompatible with all other MSA respirator series and all non-MSA respirators.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;color:#e0e0e0;margin-bottom:16px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#2a2a2a;\"\u003e\n        \u003cth style=\"border:1px solid #333;padding:10px;text-align:left;color:#ffb74d;\"\u003eRespirator\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:10px;text-align:left;color:#ffb74d;\"\u003eType\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:10px;text-align:left;color:#ffb74d;\"\u003eGMC Fit\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Advantage 200LS\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eHalf-mask\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Compatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Advantage 420\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eHalf-mask\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Compatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Advantage 1000\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eFull-face\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Compatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Advantage 3000\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eFull-face\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Compatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Advantage 4000\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eFull-face\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e✅ Compatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Comfo Classic \/ Comfo II\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eHalf-mask\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e❌ Incompatible — use Comfo GM-series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Ultra Elite \/ Ultra-Twin\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eFull-face\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e❌ Incompatible — use Comfo GM-series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eAny non-MSA respirator (3M, Honeywell, Moldex, etc.)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eAny\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e❌ Incompatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eBrowse \u003ca href=\"\/collections\/half-face-respirators\" style=\"color:#4fc3f7;\"\u003eMSA Advantage half-face respirators\u003c\/a\u003e and \u003ca href=\"\/collections\/full-face-respirators\" style=\"color:#4fc3f7;\"\u003eMSA Advantage full-face respirators\u003c\/a\u003e to confirm your facepiece before ordering cartridges.\u003c\/p\u003e\n\n  \u003c!-- 9. SIBLING COMPARISON TABLE --\u003e\n  \u003ch2 id=\"siblings\" style=\"color:#ff9800;\"\u003eMSA 815357 GMC vs Other MSA Advantage Cartridges\u003c\/h2\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eAll MSA Advantage cartridges below use the same snap-on bayonet mount and are available at WC Safety. The 815357 GMC is highlighted.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;color:#e0e0e0;margin-bottom:16px;font-size:0.92em;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#2a2a2a;\"\u003e\n        \u003cth style=\"border:1px solid #333;padding:9px;text-align:left;color:#ffb74d;\"\u003eCartridge\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:9px;text-align:center;color:#ffb74d;\"\u003ePart #\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:9px;text-align:center;color:#ffb74d;\"\u003eOV\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:9px;text-align:center;color:#ffb74d;\"\u003eAcid Gas\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:9px;text-align:center;color:#ffb74d;\"\u003eAmmonia\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:9px;text-align:center;color:#ffb74d;\"\u003eP100\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #333;padding:9px;text-align:center;color:#ffb74d;\"\u003ePrice (2-pk)\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;\"\u003e\u003ca href=\"\/products\/msa-advantage-gma-organic-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eGMA OV\u003c\/a\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e815355\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e$32.00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;\"\u003e\u003ca href=\"\/products\/msa-advantage-gmb-acid-gas-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eGMB Acid Gas\u003c\/a\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e815356\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e$23.90\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:#2a2010;border:2px solid #ff9800;\"\u003e\n        \u003ctd style=\"border:1px solid #555;padding:9px;font-weight:bold;color:#ffb74d;\"\u003eGMC OV+AG ← You Are Here\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #555;padding:9px;text-align:center;font-weight:bold;\"\u003e815357\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #555;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #555;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #555;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #555;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #555;padding:9px;text-align:center;font-weight:bold;\"\u003e$34.00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;\"\u003e\u003ca href=\"\/products\/msa-advantage-gmd-ammonia-methylamine-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eGMD Ammonia\u003c\/a\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e815358\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e$19.00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;\"\u003e\u003ca href=\"\/products\/msa-advantage-gme-multi-gas-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eGME Multi-Gas\u003c\/a\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e815359\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e$34.00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;\"\u003e\u003ca href=\"\/products\/msa-advantage-gma-p100-organic-vapor-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eGMA-P100\u003c\/a\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e815362\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e$38.00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;\"\u003e\u003ca href=\"\/products\/msa-advantage-gmb-p100-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eGMB-P100\u003c\/a\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e815363\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e$33.82\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;\"\u003e\u003ca href=\"\/products\/msa-advantage-gmc-p100-ov-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eGMC-P100\u003c\/a\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e815364\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e$47.00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;\"\u003e\u003ca href=\"\/products\/msa-advantage-gme-p100-multi-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eGME-P100\u003c\/a\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e815366\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e$47.00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;\"\u003e\u003ca href=\"\/products\/msa-advantage-p100-low-profile-respirator-filter-2-pack\" style=\"color:#4fc3f7;\"\u003eLP P100 Prefilter\u003c\/a\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e815369\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e—\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e✅\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:9px;text-align:center;\"\u003e$16.76\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- 10. 1:1 COMPARISONS --\u003e\n  \u003ch2 id=\"comparisons\" style=\"color:#ff9800;\"\u003eMSA 815357 GMC Head-to-Head Comparisons\u003c\/h2\u003e\n\n  \u003ch3 id=\"vs-gma\" style=\"color:#ffb74d;\"\u003eMSA 815357 GMC vs MSA 815355 GMA — OV Only vs OV + Acid Gas\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe \u003ca href=\"\/products\/msa-advantage-gma-organic-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815355 GMA\u003c\/a\u003e ($32.00) protects against organic vapors only. The MSA 815357 GMC ($34.00) adds NIOSH-rated protection for Cl₂, SO₂, ClO₂, HCl, and H₂S (escape) at just $2 more per 2-pack. If there is any acid gas on your SDS — even trace levels of chlorine from bleach-based cleaners used in the same area — the GMC is the correct choice. Choose the GMA only when your industrial hygiene assessment has confirmed zero acid gas co-exposure.\u003c\/p\u003e\n\n  \u003ch3 id=\"vs-gme\" style=\"color:#ffb74d;\"\u003eMSA 815357 GMC vs MSA 815359 GME — Same Price, Different Gas Coverage\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe \u003ca href=\"\/products\/msa-advantage-gme-multi-gas-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815359 GME Multi-Gas\u003c\/a\u003e is priced identically at $34.00 per 2-pack and adds ammonia and methylamine protection on top of everything the GMC covers. If your workplace uses any ammonia-based cleaners, refrigerants, or processes that produce methylamine, the GME delivers broader coverage at no extra cost. Choose the GMC over the GME only when you have confirmed there is no ammonia or methylamine exposure and prefer the simpler specification for procurement documentation.\u003c\/p\u003e\n\n  \u003ch3 id=\"vs-gmc-p100\" style=\"color:#ffb74d;\"\u003eMSA 815357 GMC vs MSA 815364 GMC-P100 — Adding Particulate Protection\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe \u003ca href=\"\/products\/msa-advantage-gmc-p100-ov-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815364 GMC-P100\u003c\/a\u003e combines the same OV and acid gas protection as the GMC with an integrated P100 particulate filter, at $47.00 — a $13 premium per 2-pack. If your environment has any airborne dust, mist, or fume component (welding fumes, catalyst dust, acid mist), the GMC-P100 is the correct all-in-one choice. The GMC is the right pick only for pure vapor\/gas environments where no particulate filter will ever be needed.\u003c\/p\u003e\n\n  \u003c!-- 11. QUICK ANSWERS --\u003e\n  \u003ch2 id=\"quick-answers\" style=\"color:#ff9800;\"\u003eQuick Answers — MSA 815357 GMC\u003c\/h2\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eWhat gases does the MSA 815357 GMC protect against?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 GMC is NIOSH-certified for organic vapors plus the following acid gases: chlorine (Cl₂), sulfur dioxide (SO₂), chlorine dioxide (ClO₂), hydrogen chloride (HCl), and hydrogen sulfide (H₂S) for escape only. It does not protect against ammonia, methylamine, particulates, or mercury vapor.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eWhat respirators does the MSA 815357 fit?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 GMC fits all MSA Advantage series respirators with the snap-on bayonet (twin-port) mount: Advantage 200LS and 420 half-masks, and Advantage 1000, 3000, and 4000 full-face respirators. It does not fit MSA Comfo Classic, Comfo II, Ultra Elite, Ultra-Twin, or any non-MSA respirator.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eHow many cartridges come in a pack?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 is sold as a 2-pack — two matched cartridges, one for each side of the respirator. The $34.00 price is for the pair.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eDoes the GMC cartridge include particulate protection?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eNo. The MSA 815357 GMC is a chemical vapor\/gas cartridge only — it contains no particulate filter media. For environments with dust, mist, or fume alongside vapors and acid gases, snap the \u003ca href=\"\/products\/msa-advantage-p100-low-profile-respirator-filter-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815369 LP P100 prefilter\u003c\/a\u003e onto the GMC, or replace it with the \u003ca href=\"\/products\/msa-advantage-gmc-p100-ov-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815364 GMC-P100\u003c\/a\u003e.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eWhat is the NIOSH color code for the MSA 815357?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 GMC carries NIOSH's olive\/yellow-green color designation, which denotes organic vapor plus acid gas combination protection. See our \u003ca href=\"\/blogs\/guides\/respirator-cartridge-color-chart\" style=\"color:#4fc3f7;\"\u003erespirator cartridge color chart\u003c\/a\u003e for a complete NIOSH color code reference.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eDoes the MSA 815357 have an End-of-Service-Life Indicator (ESLI)?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eNo. No MSA Advantage cartridge includes an ESLI. Per OSHA 29 CFR 1910.134, a written change-out schedule must be established using OSHA Appendix B guidance and the manufacturer's service life data before the cartridges are placed in service.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eShould I choose the GMC or GME for chemical processing?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eIf your chemical processing SDS lists only organic vapors and acid gases (Cl₂, SO₂, HCl, ClO₂, H₂S), the GMC is sufficient. If ammonia or methylamine also appears on the SDS or process chemical list, the \u003ca href=\"\/products\/msa-advantage-gme-multi-gas-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815359 GME Multi-Gas\u003c\/a\u003e provides identical coverage plus ammonia\/methylamine protection at the same $34.00 price.\u003c\/p\u003e\n\n  \u003c!-- 12. SPECIFICATIONS --\u003e\n  \u003ch2 id=\"specifications\" style=\"color:#ff9800;\"\u003eMSA 815357 GMC Specifications\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;color:#e0e0e0;margin-bottom:16px;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;width:38%;\"\u003ePart Number\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e815357\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eProduct Name\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Advantage GMC OV\/Acid Gas Respirator Cartridge\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eBrand\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Safety\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eProtection Type\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eOrganic Vapor (OV) + Acid Gas (AG)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eAcid Gases Covered\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eCl₂, SO₂, ClO₂, HCl, H₂S (escape only)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eNIOSH Certification\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eNIOSH-certified combination OV\/AG cartridge\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eNIOSH Color Code\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eOlive \/ Yellow-Green (OV + Acid Gas combination)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eConnection Type\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Advantage snap-on bayonet (twin-port)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003ePack Quantity\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e2 cartridges per package (matched pair)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eCompatible Respirators\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Advantage 200LS, 420, 1000, 3000, 4000\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eIncompatible Respirators\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eMSA Comfo Classic, Comfo II, Ultra Elite, Ultra-Twin; all non-MSA respirators\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eESLI\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eNone — written change-out schedule required (OSHA 1910.134)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003eParticulate Protection\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003eNone (add LP P100 prefilter 815369 for particulates)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;color:#ffb74d;\"\u003ePrice (2-Pack)\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #333;padding:10px;\"\u003e$34.00\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- 13. BUYING GUIDES --\u003e\n  \u003ch2 id=\"guides\" style=\"color:#ff9800;\"\u003eHelpful Buying Guides\u003c\/h2\u003e\n  \u003cul style=\"color:#e0e0e0;\"\u003e\n    \u003cli\u003e\u003ca href=\"\/blogs\/guides\/how-to-choose-a-respirator-cartridge\" style=\"color:#4fc3f7;\"\u003eHow to Choose a Respirator Cartridge — Complete Selection Guide\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/blogs\/guides\/respirator-filter-types-explained\" style=\"color:#4fc3f7;\"\u003eRespirator Filter Types Explained — OV, Acid Gas, P100, and Combination\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/blogs\/guides\/organic-vapor-vs-p100\" style=\"color:#4fc3f7;\"\u003eOrganic Vapor vs P100: Which Respirator Cartridge Do You Need?\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/blogs\/guides\/respirator-cartridge-color-chart\" style=\"color:#4fc3f7;\"\u003eRespirator Cartridge Color Chart — NIOSH Color Code Reference\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/blogs\/guides\/p100-vs-n95-difference-which-do-you-need\" style=\"color:#4fc3f7;\"\u003eP100 vs N95: What's the Difference and Which Do You Need?\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- 14. FAQs --\u003e\n  \u003ch2 id=\"faq\" style=\"color:#ff9800;\"\u003eMSA 815357 GMC Frequently Asked Questions\u003c\/h2\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eIs the MSA 815357 the same as the MSA GMC cartridge?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eYes. The MSA 815357 is the part number for the MSA Advantage GMC OV\/Acid Gas Respirator Cartridge, sold as a 2-pack. GMC is the cartridge series designation; 815357 is the SKU used for ordering.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eCan I use the MSA 815357 on a 3M or Honeywell respirator?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eNo. The MSA 815357 GMC uses MSA's snap-on bayonet (twin-port) connection, which is proprietary to the MSA Advantage platform. It will not physically attach to 3M, Honeywell North, Moldex, or any other brand of respirator. Each respirator brand uses a different cartridge connection standard.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eDoes the MSA 815357 protect against hydrofluoric acid (HF) vapor?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eHF vapor is not listed in the published NIOSH certification for the MSA 815357 GMC. Hydrofluoric acid applications require verification against MSA's published service life data and may require a specialized cartridge. Consult your industrial hygienist before relying on the GMC for HF exposure.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eHow do I know when to change the MSA 815357 cartridges?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 has no End-of-Service-Life Indicator. OSHA 29 CFR 1910.134 requires a written change-out schedule based on OSHA Appendix B guidance, manufacturer service life data, and your specific chemical concentrations, humidity, temperature, and work rate. Never rely on odor or taste as a breakthrough indicator — these are unreliable and can occur after dangerous exposure levels have been reached.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eCan I snap an MSA LP P100 prefilter onto the 815357?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eYes. The \u003ca href=\"\/products\/msa-advantage-p100-low-profile-respirator-filter-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815369 LP P100 Low-Profile Prefilter\u003c\/a\u003e snaps directly onto the GMC cartridge, adding P100 particulate filtration for environments with both chemical vapors\/gases and airborne dust or mist. This combination provides OV, acid gas, and P100 protection at a lower cost than replacing the GMC with the GMC-P100 combination cartridge, though the GMC-P100 is a cleaner integrated solution.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eWhat is the price for the MSA 815357 at WC Safety?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 GMC OV\/Acid Gas Respirator Cartridge 2-Pack is priced at $34.00 at WC Safety. Also available on \u003ca href=\"https:\/\/www.amazon.com\/dp\/B00L45E8P8?tag=wcsafety04-20\" style=\"color:#4fc3f7;\" rel=\"nofollow sponsored\" target=\"_blank\"\u003eAmazon (ASIN B00L45E8P8)\u003c\/a\u003e.\u003c\/p\u003e\n  \u003cp style=\"font-size:0.85em;color:#aaaaaa;font-style:italic;\"\u003eWC Safety is a participant in the Amazon Services LLC Associates Program. As an Amazon Associate, WC Safety earns from qualifying purchases at no extra cost to you.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eIs the GMC better than the GME for chemical labs?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eNot categorically. Both are priced at $34.00. The \u003ca href=\"\/products\/msa-advantage-gme-multi-gas-vapor-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815359 GME\u003c\/a\u003e covers everything the GMC does plus ammonia and methylamine. In most chemical lab environments the GME provides equal or greater coverage at the same price. The GMC is the better choice only if your purchasing or safety documentation specifically requires a cartridge without ammonia coverage — for instance, if an SCBA or supplied-air system is designated for ammonia emergencies and you want the cartridge spec to reflect only the lower-hazard vapor\/acid gas protection tier.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eDoes the MSA 815357 work with the MSA Advantage 420 half-mask?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eYes. The MSA Advantage 420 half-mask uses the same snap-on bayonet (twin-port) connection as all Advantage-series cartridges. The 815357 GMC installs on the 420 without tools — press and twist until the bayonet locks on both ports. Confirm cartridge fit before each use by checking that both bayonet locks are fully engaged.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eCan the MSA 815357 be used for chlorine gas exposure?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eYes — chlorine (Cl₂) is listed in the acid gas protection coverage for the MSA 815357 GMC. It is one of the primary reasons buyers choose this cartridge over the vapor-only GMA. Verify that your chlorine exposure concentration is within the NIOSH-rated service limits for this cartridge and that a written change-out schedule is in place.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eWhat is the difference between the GMC and GMC-P100?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 GMC provides OV and acid gas protection only. The \u003ca href=\"\/products\/msa-advantage-gmc-p100-ov-acid-gas-p100-respirator-cartridge-2-pack\" style=\"color:#4fc3f7;\"\u003eMSA 815364 GMC-P100\u003c\/a\u003e is an integrated combination cartridge that adds NIOSH P100 particulate filtration (99.97% efficiency against oil and non-oil aerosols) to the same OV and acid gas coverage, at $47.00 per 2-pack — $13 more than the GMC. Choose the GMC-P100 when dust, mist, metal fume, or other aerosols appear on the same SDS as your vapor and acid gas hazards.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eHow does the olive\/yellow-green color code help me identify the 815357 in the field?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eNIOSH assigns olive coloring to organic vapor and yellow-green to acid gas; combination OV\/AG cartridges use both colors. The MSA 815357 carries this olive\/yellow-green combination color code, making it visually distinguishable from pure OV (black), pure acid gas (white\/green), P100 (magenta\/purple), or ammonia (green) cartridges. Our \u003ca href=\"\/blogs\/guides\/respirator-cartridge-color-chart\" style=\"color:#4fc3f7;\"\u003eNIOSH cartridge color chart guide\u003c\/a\u003e maps every color code to its hazard class.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#ffb74d;\"\u003eWhere can I buy the MSA 815357 GMC cartridge?\u003c\/h3\u003e\n  \u003cp style=\"color:#e0e0e0;\"\u003eThe MSA 815357 is available directly on this page at $34.00 per 2-pack, and also through \u003ca href=\"https:\/\/www.amazon.com\/dp\/B00L45E8P8?tag=wcsafety04-20\" style=\"color:#4fc3f7;\" rel=\"nofollow sponsored\" target=\"_blank\"\u003eAmazon\u003c\/a\u003e (ASIN B00L45E8P8). For volume orders or B2B procurement, contact WC Safety directly.\u003c\/p\u003e\n\n  \u003c!-- AMAZON BUY BUTTON --\u003e\n  \u003cdiv style=\"margin:24px 0;text-align:center;\"\u003e\n    \u003ca href=\"https:\/\/www.amazon.com\/dp\/B00L45E8P8?tag=wcsafety04-20\" rel=\"nofollow sponsored\" target=\"_blank\" style=\"display:inline-block;background:#ff9800;color:#1a1a1a;font-weight:bold;padding:12px 28px;border-radius:6px;text-decoration:none;font-size:1.05em;margin-right:12px;\"\u003eBuy on Amazon\u003c\/a\u003e\n    \u003ca href=\"\/collections\/msa-respirator-filters-and-cartridges\" style=\"display:inline-block;background:#333;color:#ffb74d;font-weight:bold;padding:12px 28px;border-radius:6px;text-decoration:none;font-size:1.05em;border:1px solid #ff9800;\"\u003eView All MSA Cartridges\u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 15. E-E-A-T FOOTER --\u003e\n  \u003cdiv style=\"border-top:1px solid #333;margin-top:32px;padding-top:20px;color:#aaaaaa;font-size:0.88em;\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#ffb74d;\"\u003eWritten by:\u003c\/strong\u003e \u003cspan style=\"color:#e0e0e0;\"\u003eSteven Eaton\u003c\/span\u003e — Safety Equipment Specialist, WC Safety. Steven has over a decade of experience in industrial PPE selection and respiratory protection program compliance, advising chemical processing, manufacturing, and laboratory customers on cartridge selection, OSHA 1910.134 compliance, and MSA Advantage respirator system configuration.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#ffb74d;\"\u003eReviewed by:\u003c\/strong\u003e \u003cspan style=\"color:#e0e0e0;\"\u003eWC Safety Technical Staff\u003c\/span\u003e — Product specifications verified against MSA Safety published documentation. NIOSH certification status and compatible respirator models confirmed as of June 2026.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#ffb74d;\"\u003eStandards Reference:\u003c\/strong\u003e OSHA 29 CFR 1910.134 (Respiratory Protection Standard); NIOSH 42 CFR Part 84 (Respiratory Protective Devices); AIHA Respiratory Protection Committee guidelines for cartridge change-out scheduling.\u003c\/p\u003e\n    \u003cp style=\"font-size:0.85em;color:#888888;font-style:italic;\"\u003eWC Safety is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c!-- wcs-review-enrichment --\u003e\n\u003cdiv class=\"wcs-amz-callout\" style=\"margin:18px 0;padding:12px 16px;background:#1f1f1f;border-left:4px solid #ff9800;border-radius:6px;color:#e0e0e0;font-family:Arial,Helvetica,sans-serif;font-size:15px;\"\u003e⭐ \u003cstrong\u003eRated 4.8★ on Amazon\u003c\/strong\u003e across 17 verified ratings \u003cspan style=\"color:#9e9e9e;font-size:13px;\"\u003e(Amazon.com, Jun 2026)\u003c\/span\u003e\n\u003c\/div\u003e","brand":"MSA Safety","offers":[{"title":"Default Title","offer_id":44141479952472,"sku":null,"price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/B00L45E8P8.01.LZZZZZZZ.jpg?v=1779747670","url":"https:\/\/wcsafety.com\/products\/msa-advantage-gmc-ov-acid-gas-respirator-cartridge-2-pack","provider":"WC Safety","version":"1.0","type":"link"}