{"product_id":"msa-gmt-multi-gas-cartridge","title":"MSA 806059 GMT Multi-Gas Cartridge for Comfo Respirators — 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 GMT Multi-Gas Cartridge\u003c\/strong\u003e\u003cbr\u003eRated 4.5\/5 — MSA specialty multi-gas cartridge for the Comfo bayonet platform. Covers multi-contaminant vapor profiles where a standard single-class cartridge falls short.\u003cdiv style=\"margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;\"\u003e\n\u003ca href=\"\/blogs\/product-reviews\/msa-806059-gmt-multi-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 GMT Multi-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\" style=\"color:#e0e0e0;font-family:inherit;\"\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 GMT Multi-Gas Cartridge\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cp\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e Facilities handling mixed inorganic gas hazards — wastewater treatment, chemical manufacturing, pulp and paper operations, and nuclear fuel handling environments where tritium exposure is a documented risk.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eNot For:\u003c\/strong\u003e Environments with organic vapor hazards (solvents, hydrocarbons, paint fumes), particulate exposures (silica, weld fume, asbestos), or oxygen-deficient atmospheres. Not for use with MSA Advantage snap-on respirators.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eBottom Line:\u003c\/strong\u003e The GMT delivers uniquely broad inorganic gas coverage with a tritium-impregnated sorbent bed unavailable in any other Comfo-series cartridge — for workers who also face particulate hazards, the \u003ca href=\"\/products\/msa-gme-p100-multigas-particulate-cartridge\" style=\"color:#ff9800;\"\u003eGME-P100\u003c\/a\u003e is the stronger daily-use alternative.\u003c\/p\u003e\n  \u003cp style=\"font-size:0.9em;color:#cbb89e;\"\u003eEditorial assessment by the WC Safety Editorial Team. Scoring reflects published manufacturer specifications, application fit, compatibility, and category expertise. WC Safety did not laboratory-test this product.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"\/blogs\/product-reviews\/msa-806059-gmt-multi-gas-cartridge-review\" style=\"color:#ff9800;font-weight:bold;\"\u003eRead the full review\u003c\/a\u003e →\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- 1. OVERVIEW --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-overview\"\u003eMSA GMT Multi-Gas Cartridge Overview\u003c\/h2\u003e\n\u003cp\u003eThe MSA GMT is a chemical-only, multi-gas cartridge designed for the Comfo bayonet-mount respirator platform, sold in a 2-pack (SKU 806059) for \u003cstrong\u003e$78.93 — approximately $39.47 per cartridge\u003c\/strong\u003e. Its defining feature is a tritium-impregnated sorbent bed that provides broad-spectrum inorganic gas protection across hazard classes not covered by any single-gas Comfo cartridge. Workers who need simultaneous coverage against acid gases, sulfur-based compounds, and tritium in a single cartridge will find no closer match in the MSA Comfo lineup.\u003c\/p\u003e\n\u003cp\u003eFor a full overview of how the GMT fits within respirator cartridge selection methodology, the \u003ca href=\"\/blogs\/guides\/how-to-choose-a-respirator-cartridge\" style=\"color:#4fc3f7;\"\u003erespirator cartridge selection guide\u003c\/a\u003e covers exposure assessment, cartridge class matching, and change-schedule requirements. The \u003ca href=\"\/blogs\/guides\/respirator-filter-types-explained\" style=\"color:#4fc3f7;\"\u003erespirator filter types explained guide\u003c\/a\u003e clarifies the difference between chemical cartridges and particulate filters — both relevant when evaluating the GMT's gas-only protection scope. If your hazard inventory includes organic vapors alongside inorganic gases, review the \u003ca href=\"\/blogs\/guides\/organic-vapor-vs-p100\" style=\"color:#4fc3f7;\"\u003eorganic vapor vs. P100 comparison\u003c\/a\u003e before committing to the GMT. The full \u003ca href=\"\/collections\/msa-respirator-filters-and-cartridges\" style=\"color:#4fc3f7;\"\u003eMSA respirator filters and cartridges collection\u003c\/a\u003e lists every Comfo-compatible cartridge with pricing and pack sizes.\u003c\/p\u003e\n\n\u003c!-- 2. RESPIRATOR SELECTION FIT --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-selection-fit\"\u003eWhere the GMT Fits in Respirator Selection\u003c\/h2\u003e\n\u003cp\u003eRespirator cartridge selection begins with the hazard — not the cartridge. If your industrial hygienist or SDS review has confirmed inorganic gas exposures (chlorine, sulfur dioxide, hydrogen sulfide, ammonia\/methylamine, hydrogen chloride, hydrogen fluoride, formaldehyde) AND a potential tritium exposure pathway, the GMT is the only Comfo-series cartridge that addresses that combined hazard profile in a single unit.\u003c\/p\u003e\n\u003cp\u003eThe decision logic runs as follows:\u003c\/p\u003e\n\u003cul style=\"color:#e0e0e0;line-height:1.8;\"\u003e\n  \u003cli\u003eInorganic acid gases only, no tritium → consider \u003ca href=\"\/products\/msa-gmb-acid-gas-cartridge\" style=\"color:#4fc3f7;\"\u003eMSA GMB\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003eMulti-gas inorganic hazards, no tritium, no particulates → consider \u003ca href=\"\/products\/msa-gme-multigas-cartridge\" style=\"color:#4fc3f7;\"\u003eMSA GME\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003eMulti-gas inorganic hazards + particulates → consider \u003ca href=\"\/products\/msa-gme-p100-multigas-particulate-cartridge\" style=\"color:#4fc3f7;\"\u003eMSA GME-P100\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003eMulti-gas inorganic hazards + confirmed tritium pathway → \u003cstrong\u003eMSA GMT\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eOrganic vapors + acid gases → consider \u003ca href=\"\/products\/msa-gmc-organic-vapor-acid-gas-cartridge\" style=\"color:#4fc3f7;\"\u003eMSA GMC\u003c\/a\u003e or \u003ca href=\"\/products\/msa-gmc-p100-ov-acid-gas-particulate-cartridge\" style=\"color:#4fc3f7;\"\u003eGMC-P100\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003ca href=\"\/blogs\/guides\/respirator-cartridge-color-chart\" style=\"color:#4fc3f7;\"\u003erespirator cartridge color chart guide\u003c\/a\u003e maps NIOSH cartridge color codes to hazard class so you can confirm GMT's classification at a glance before purchase.\u003c\/p\u003e\n\n\u003c!-- 3. WHO SHOULD BUY --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-who-should-buy\"\u003eWho Should Buy the MSA GMT?\u003c\/h2\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eBuy the GMT if:\u003c\/h3\u003e\n\u003cul style=\"color:#e0e0e0;line-height:1.8;\"\u003e\n  \u003cli\u003eYour SDS or industrial hygienist report confirms tritium exposure as part of your chemical inventory\u003c\/li\u003e\n  \u003cli\u003eYour facility handles multiple inorganic gas hazards simultaneously (e.g., wastewater plants where H₂S, Cl₂, and SO₂ coexist)\u003c\/li\u003e\n  \u003cli\u003eYou already own a Comfo Classic, Comfo II, Advantage 200 LS, Ultra-Twin, or Ultra-Elite respirator and need a bayonet-mount cartridge\u003c\/li\u003e\n  \u003cli\u003eYour exposure profile requires coverage across ammonia, methylamine, formaldehyde, and acid gases in one cartridge without carrying spares of multiple types\u003c\/li\u003e\n  \u003cli\u003eNuclear fuel cycle or tritium-handling operations require a specialty sorbent bed not present in standard multi-gas cartridges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eDon't buy the GMT if:\u003c\/h3\u003e\n\u003cul style=\"color:#e0e0e0;line-height:1.8;\"\u003e\n  \u003cli\u003eYour primary hazard is organic vapors — the \u003ca href=\"\/products\/msa-gma-organic-vapor-cartridge\" style=\"color:#4fc3f7;\"\u003eGMA organic vapor cartridge\u003c\/a\u003e is purpose-built for that application\u003c\/li\u003e\n  \u003cli\u003eYou need combined gas + particulate protection — the \u003ca href=\"\/products\/msa-gme-p100-multigas-particulate-cartridge\" style=\"color:#4fc3f7;\"\u003eGME-P100\u003c\/a\u003e adds 99.97% P100 filtration without sacrificing multi-gas coverage\u003c\/li\u003e\n  \u003cli\u003eYou use an MSA Advantage snap-on respirator — the GMT uses a bayonet mount incompatible with the Advantage platform\u003c\/li\u003e\n  \u003cli\u003eYour exposure is ammonia\/methylamine only — the dedicated \u003ca href=\"\/products\/msa-gmd-ammonia-methylamine-cartridge\" style=\"color:#4fc3f7;\"\u003eGMD ammonia cartridge\u003c\/a\u003e may provide more targeted protection at lower cost\u003c\/li\u003e\n  \u003cli\u003eYour environment is oxygen-deficient or IDLH — supplied-air or SCBA is required in those conditions regardless of cartridge selection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- 4. WHAT IT PROTECTS AGAINST --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-protection-table\"\u003eWhat Does the GMT Protect Against?\u003c\/h2\u003e\n\u003cp\u003eThe GMT's multi-sorbent bed is engineered to address a broader chemical inventory than any single-class Comfo cartridge. The table below maps confirmed hazard classes to protection status and buyer guidance based on MSA published specifications.\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:16px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:10px 12px;text-align:left;\"\u003eHazard\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:10px 12px;text-align:left;\"\u003eGMT Protection\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:10px 12px;text-align:left;\"\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 #444;padding:9px 12px;\"\u003eChlorine (Cl₂)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#4caf50;\"\u003eCovered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eSuitable for water treatment, chemical process plants\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eSulfur Dioxide (SO₂)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;color:#4caf50;\"\u003eCovered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003ePulp mills, sulfuric acid operations, mining\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eHydrogen Sulfide (H₂S)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#4caf50;\"\u003eCovered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eWastewater treatment, oil and gas, confined space entry\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eAmmonia \/ Methylamine\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;color:#4caf50;\"\u003eCovered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eRefrigeration facilities, agricultural operations\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eHydrogen Chloride (HCl)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#4caf50;\"\u003eCovered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eChemical manufacturing, metal pickling\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eHydrogen Fluoride (HF)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;color:#4caf50;\"\u003eCovered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eSemiconductor fabrication, aluminum smelting\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eFormaldehyde\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#4caf50;\"\u003eCovered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003ePathology labs, embalming, composite wood manufacturing\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eChlorine Dioxide (ClO₂)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;color:#4caf50;\"\u003eCovered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eWater disinfection, paper bleaching operations\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eTritium (impregnated sorbent)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#4caf50;\"\u003eCovered (specialty)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eNuclear fuel cycle, tritium-handling facilities; confirm program-level dose constraints\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eOrganic Vapors (solvents, hydrocarbons)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;color:#f44336;\"\u003eNot Covered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eUse \u003ca href=\"\/products\/msa-gma-organic-vapor-cartridge\" style=\"color:#4fc3f7;\"\u003eGMA\u003c\/a\u003e or \u003ca href=\"\/products\/msa-gmc-organic-vapor-acid-gas-cartridge\" style=\"color:#4fc3f7;\"\u003eGMC\u003c\/a\u003e\n\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eParticulates (dust, mist, fume)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#f44336;\"\u003eNot Covered\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eAdd prefilter or select \u003ca href=\"\/products\/msa-gme-p100-multigas-particulate-cartridge\" style=\"color:#4fc3f7;\"\u003eGME-P100\u003c\/a\u003e\n\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 style=\"color:#ff9800;\" id=\"gmt-limitations\"\u003eWhat the GMT Does NOT Protect Against\u003c\/h2\u003e\n\u003cul style=\"color:#e0e0e0;line-height:1.8;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrganic vapors and solvents\u003c\/strong\u003e — no activated carbon sorbent for hydrocarbon-class chemicals; use the \u003ca href=\"\/products\/msa-gma-organic-vapor-cartridge\" style=\"color:#4fc3f7;\"\u003eGMA\u003c\/a\u003e or \u003ca href=\"\/products\/msa-gmc-organic-vapor-acid-gas-cartridge\" style=\"color:#4fc3f7;\"\u003eGMC\u003c\/a\u003e for those hazards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eParticulates\u003c\/strong\u003e — the GMT contains no filter media; dust, smoke, mist, and biological aerosols pass through unimpeded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRadioactive iodine\u003c\/strong\u003e — the GMT does not include the silver-zeolite media used in the \u003ca href=\"\/products\/msa-gmi-iodine-p100-cartridge\" style=\"color:#4fc3f7;\"\u003eGMI iodine\/P100 cartridge\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMercury vapor\u003c\/strong\u003e — mercury adsorption requires the specialized MERSORB media found only in the \u003ca href=\"\/products\/msa-mersorb-p100-mercury-vapor-cartridge\" style=\"color:#4fc3f7;\"\u003eMERSORB P100 cartridge\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarbon monoxide and other asphyxiant gases\u003c\/strong\u003e — air-purifying respirators cannot protect against CO; supplied-air equipment is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"border-left:4px solid #ff9800;background:#2a1f0e;padding:14px 18px;margin:16px 0;border-radius:0 6px 6px 0;\"\u003e\n  \u003cstrong style=\"color:#ff9800;\"\u003eSafety Notice:\u003c\/strong\u003e Air-purifying cartridge respirators including the GMT do not supply oxygen and cannot be used in oxygen-deficient atmospheres (below 19.5% O₂) or immediately dangerous to life and health (IDLH) conditions. Supplied-air respirators (SAR) or self-contained breathing apparatus (SCBA) are mandatory in those environments per OSHA 29 CFR 1910.134.\n\u003c\/div\u003e\n\n\u003c!-- 6. BEST APPLICATIONS --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-applications\"\u003eBest Applications for the MSA GMT\u003c\/h2\u003e\n\n\u003ch3 style=\"color:#ffb74d;\" id=\"gmt-wastewater\"\u003eWastewater Treatment and Municipal Utilities\u003c\/h3\u003e\n\u003cp\u003eWastewater facilities generate simultaneous H₂S, Cl₂, and SO₂ exposures in confined lift stations, aeration tanks, and chlorination rooms. The GMT's multi-gas coverage eliminates the need to swap cartridges between tasks — workers can move through multiple hazard zones with a single cartridge set. Pair with the \u003ca href=\"\/collections\/msa-full-face-mask-respirator\" style=\"color:#4fc3f7;\"\u003eMSA full-face respirator collection\u003c\/a\u003e for splash and eye protection in chemical dosing areas.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\" id=\"gmt-chemical-manufacturing\"\u003eChemical Manufacturing and Process Industries\u003c\/h3\u003e\n\u003cp\u003eProcess plants handling HCl, HF, SO₂, and chlorine as feedstocks or byproducts require broad-spectrum acid gas coverage that single-class cartridges cannot deliver. The GMT supports routine maintenance, sampling, and emergency response tasks in environments where the chemical inventory is confirmed through air monitoring data. The \u003ca href=\"\/blogs\/guides\/how-to-choose-a-respirator-cartridge\" style=\"color:#4fc3f7;\"\u003ecartridge selection guide\u003c\/a\u003e covers change-schedule calculation for multi-gas environments where breakthrough timing varies by contaminant.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\" id=\"gmt-nuclear-tritium\"\u003eNuclear Fuel Cycle and Tritium-Handling Facilities\u003c\/h3\u003e\n\u003cp\u003eThe GMT's tritium-impregnated sorbent bed addresses a protection gap no other MSA Comfo cartridge fills. Tritium handling operations at national laboratories, nuclear fuel fabrication, and fusion research facilities require this specialty sorbent chemistry in addition to standard inorganic gas coverage. Always verify that the GMT's assigned protection factor and change schedule satisfy your facility's radiation protection program requirements before deployment.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\" id=\"gmt-pulp-paper\"\u003ePulp, Paper, and Bleaching Operations\u003c\/h3\u003e\n\u003cp\u003eKraft pulp mills generate ClO₂, Cl₂, SO₂, and H₂S across bleaching, digester, and recovery boiler operations. The GMT covers all four simultaneously, making it a practical choice for maintenance personnel who rotate through multiple process areas. See the \u003ca href=\"\/blogs\/guides\/respirator-filter-types-explained\" style=\"color:#4fc3f7;\"\u003efilter types explained guide\u003c\/a\u003e to understand why gas-phase cartridges alone are insufficient if the mill also generates wood dust or lime particulates — a combination cartridge or added prefilter may be warranted.\u003c\/p\u003e\n\n\u003c!-- 7. PROS \/ CONS --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-pros-cons\"\u003eMSA GMT Pros and Cons\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:16px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"color:#4caf50;border:1px solid #444;padding:10px 14px;text-align:left;width:50%;\"\u003ePros\u003c\/th\u003e\n      \u003cth style=\"color:#f44336;border:1px solid #444;padding:10px 14px;text-align:left;width:50%;\"\u003eCons\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;vertical-align:top;\"\u003eOnly MSA Comfo cartridge with tritium-specific sorbent bed\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;vertical-align:top;\"\u003eNo particulate filtration — gas hazards only\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;vertical-align:top;\"\u003eCovers nine inorganic gas classes in a single cartridge\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;vertical-align:top;\"\u003eNo organic vapor protection; solvent-heavy environments require a different cartridge\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;vertical-align:top;\"\u003eNIOSH-approved under 42 CFR Part 84\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;vertical-align:top;\"\u003ePremium per-cartridge cost vs. single-class alternatives\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;vertical-align:top;\"\u003eStandard Comfo bayonet mount — fits multiple MSA half-face and full-face platforms\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;vertical-align:top;\"\u003eSold in 2-packs only; not available in bulk boxes like GME (box of 10)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;vertical-align:top;\"\u003eReduces cartridge inventory complexity for multi-gas environments\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;vertical-align:top;\"\u003eIncompatible with MSA Advantage snap-on respirator platform\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c!-- 8. COMPATIBLE RESPIRATORS --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-compatibility\"\u003eCompatible MSA Respirators\u003c\/h2\u003e\n\u003cp\u003eThe GMT uses the MSA Comfo bayonet threaded mount — a quarter-turn locking mechanism distinct from the MSA Advantage snap-on system. The table below lists confirmed compatible respirators and explicit incompatibilities to prevent mismatched purchases.\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:16px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:10px 12px;text-align:left;\"\u003eRespirator\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:10px 12px;text-align:left;\"\u003eSeries\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:10px 12px;text-align:left;\"\u003eCompatible?\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:10px 12px;text-align:left;\"\u003eNotes\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eComfo Classic (Hycar)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eComfo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eBayonet mount; half-face\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eComfo Classic (Silicone)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eComfo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eBayonet mount; half-face\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eComfo II\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eComfo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eBayonet mount; half-face\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eAdvantage 200 LS\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eComfo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eBayonet mount; half-face\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eUltra-Twin\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eComfo \/ GM-series\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eBayonet threaded mount; full-face — verify with MSA spec sheet for your model variant\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eUltra-Elite\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eComfo \/ GM-series\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eBayonet threaded mount; full-face — verify with MSA spec sheet for your model variant\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eAdvantage 900 \/ 1000 \/ 3000 series\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eAdvantage (snap-on)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eSnap-on mount — requires Advantage-series cartridges, not GMT\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eAdvantage 200 (non-LS)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eAdvantage (snap-on)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;color:#f44336;\"\u003eVerify\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eNon-LS variants may use snap-on mount; confirm before ordering\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eBrowse the full \u003ca href=\"\/collections\/msa-full-face-mask-respirator\" style=\"color:#4fc3f7;\"\u003eMSA full-face respirator collection\u003c\/a\u003e and \u003ca href=\"\/collections\/msa-half-mask-respirator\" style=\"color:#4fc3f7;\"\u003eMSA half-mask respirator collection\u003c\/a\u003e to confirm your specific model's mount type.\u003c\/p\u003e\n\n\u003c!-- 9. IN-FAMILY COMPARISON TABLE --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-vs-lineup\"\u003eMSA GMT vs. Other MSA Comfo Cartridges\u003c\/h2\u003e\n\u003cp\u003eAll cartridges below use the same Comfo bayonet mount and are drawn from the \u003ca href=\"\/collections\/msa-respirator-filters-and-cartridges\" style=\"color:#4fc3f7;\"\u003eMSA respirator filters and cartridges collection\u003c\/a\u003e. OV = organic vapor, AG = acid gas, P100 = particulate filter 99.97%.\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:16px 0;font-size:0.9em;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:9px 10px;text-align:left;\"\u003eCartridge\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:9px 10px;text-align:left;\"\u003eOV\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:9px 10px;text-align:left;\"\u003eAcid Gas\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:9px 10px;text-align:left;\"\u003eMulti-Gas\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:9px 10px;text-align:left;\"\u003eTritium\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:9px 10px;text-align:left;\"\u003eP100\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:9px 10px;text-align:left;\"\u003ePack \/ Price\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;\"\u003e\u003ca href=\"\/products\/msa-gma-organic-vapor-cartridge\" style=\"color:#4fc3f7;\"\u003eGMA\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;\"\u003eBox\/10 — $115.50\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;\"\u003e\u003ca href=\"\/products\/msa-gmb-acid-gas-cartridge\" style=\"color:#4fc3f7;\"\u003eGMB\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;\"\u003eBox\/10 — $147.64\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;\"\u003e\u003ca href=\"\/products\/msa-gmc-organic-vapor-acid-gas-cartridge\" style=\"color:#4fc3f7;\"\u003eGMC\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;\"\u003eBox\/10 — $103.45\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;\"\u003e\u003ca href=\"\/products\/msa-gmd-ammonia-methylamine-cartridge\" style=\"color:#4fc3f7;\"\u003eGMD\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;\"\u003eBox\/10 — $179.63\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;\"\u003e\u003ca href=\"\/products\/msa-gme-multigas-cartridge\" style=\"color:#4fc3f7;\"\u003eGME\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;\"\u003eBox\/10 — $24.49\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;\"\u003e\u003cstrong\u003eGMT\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#4caf50;\"\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;\"\u003e2-pack — $78.93\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;\"\u003e\u003ca href=\"\/products\/msa-gme-p100-multigas-particulate-cartridge\" style=\"color:#4fc3f7;\"\u003eGME-P100\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:8px 10px;\"\u003eBox\/6 — $189.43\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;\"\u003e\u003ca href=\"\/products\/msa-gmi-iodine-p100-cartridge\" style=\"color:#4fc3f7;\"\u003eGMI\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#f44336;\"\u003eNo\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;color:#4caf50;\"\u003eYes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:8px 10px;\"\u003eBox\/6 — $185.56\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 style=\"color:#ff9800;\" id=\"gmt-vs-gme\"\u003eMSA GMT vs. MSA GME\u003c\/h2\u003e\n\u003cp\u003eThe GMT and the \u003ca href=\"\/products\/msa-gme-multigas-cartridge\" style=\"color:#4fc3f7;\"\u003eGME multigas cartridge\u003c\/a\u003e share the same nine inorganic gas hazard classes. The GMT adds a tritium-impregnated sorbent layer absent from the GME — that is the sole technical differentiator between the two. For facilities without a documented tritium hazard, the GME at $24.49 per box of 10 (approximately $2.45\/cartridge) is substantially more cost-effective than the GMT at $39.47\/cartridge. Workers who have confirmed tritium in their chemical inventory have no alternative in the MSA Comfo lineup — the GMT is the only path. For environments that additionally require particulate protection, neither the GMT nor the GME qualifies; the \u003ca href=\"\/products\/msa-gme-p100-multigas-particulate-cartridge\" style=\"color:#4fc3f7;\"\u003eGME-P100\u003c\/a\u003e adds 99.97% P100 filtration to the same multi-gas base without the tritium sorbent.\u003c\/p\u003e\n\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-vs-gmc\"\u003eMSA GMT vs. MSA GMC (OV\/Acid Gas)\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/msa-gmc-organic-vapor-acid-gas-cartridge\" style=\"color:#4fc3f7;\"\u003eGMC organic vapor\/acid gas cartridge\u003c\/a\u003e targets a fundamentally different hazard profile: it combines activated-carbon OV protection with acid gas coverage at $103.45 per box of 10. The GMT provides no organic vapor protection whatsoever but extends acid gas coverage across more inorganic classes while adding the tritium sorbent bed. Workers in facilities with both solvent and inorganic acid gas hazards face a genuine selection challenge — neither cartridge covers both profiles fully, and a hygienist review of the dominant hazard should drive the decision. If tritium is present, the GMC cannot substitute for the GMT under any circumstances.\u003c\/p\u003e\n\n\u003c!-- 11. QUICK ANSWERS --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-quick-answers\"\u003eMSA GMT Quick Answers\u003c\/h2\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eWhat does MSA GMT stand for?\u003c\/h3\u003e\n\u003cp\u003eGMT is MSA's internal model designation for a Multi-Gas\/Tritium chemical cartridge in the Comfo GM-series lineup. The G prefix identifies it as a Comfo-series gas cartridge; M indicates multi-gas coverage; T identifies the tritium-impregnated specialty sorbent layer that distinguishes it from the otherwise similar GME.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eIs the MSA GMT a NIOSH-approved cartridge?\u003c\/h3\u003e\n\u003cp\u003eYes. The GMT is approved by NIOSH under 42 CFR Part 84 for the chemical classes listed in its approval. The specific NIOSH TC approval number is printed on the cartridge label and packaging — verify that approval number against your facility's hazard inventory as part of your respiratory protection program.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eDoes the GMT include particulate filtration?\u003c\/h3\u003e\n\u003cp\u003eNo. The GMT is a chemical-only cartridge with no filter media for particulates. Dust, mist, metal fumes, and biological aerosols are not captured. If your exposure includes both gas-phase hazards covered by the GMT and particulate hazards, you will need a combination cartridge or a separate particulate prefilter compatible with your respirator — consult the \u003ca href=\"\/blogs\/guides\/respirator-filter-types-explained\" style=\"color:#4fc3f7;\"\u003efilter types guide\u003c\/a\u003e for options.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eHow many cartridges are in a pack of MSA GMT?\u003c\/h3\u003e\n\u003cp\u003eThe GMT is sold as a 2-pack (SKU 806059) for $78.93, equating to approximately $39.47 per cartridge. Unlike some Comfo cartridges sold in boxes of 10 or 6, the GMT is only available in this 2-pack format through WC Safety.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eWhat respirator does the MSA GMT fit?\u003c\/h3\u003e\n\u003cp\u003eThe GMT uses the MSA Comfo bayonet threaded mount, compatible with the Comfo Classic (Hycar and Silicone), Comfo II, and Advantage 200 LS half-face respirators, as well as the Ultra-Twin and Ultra-Elite full-face models that share the same bayonet interface. It is not compatible with MSA Advantage snap-on respirators.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eDoes the GMT protect against organic vapors like solvents or paint fumes?\u003c\/h3\u003e\n\u003cp\u003eNo. The GMT contains no activated carbon sorbent for organic compound adsorption. For solvent, hydrocarbon, or paint-fume hazards, select the \u003ca href=\"\/products\/msa-gma-organic-vapor-cartridge\" style=\"color:#4fc3f7;\"\u003eGMA organic vapor cartridge\u003c\/a\u003e or the \u003ca href=\"\/products\/msa-gmc-organic-vapor-acid-gas-cartridge\" style=\"color:#4fc3f7;\"\u003eGMC OV\/acid gas cartridge\u003c\/a\u003e depending on whether acid gases are also present.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eHow is the MSA GMT different from the MSA GME?\u003c\/h3\u003e\n\u003cp\u003eBoth cartridges cover the same nine inorganic gas hazard classes. The GMT adds a tritium-impregnated sorbent bed not present in the GME. In the absence of a tritium hazard, the GME is considerably less expensive per cartridge. The tritium sorbent is the only technical differentiator — there is no other performance difference between the two models.\u003c\/p\u003e\n\n\u003c!-- 12. SPECIFICATIONS --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-specs\"\u003eMSA GMT Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:16px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:10px 12px;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"color:#ffb74d;border:1px solid #444;padding:10px 12px;text-align:left;\"\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eManufacturer\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eMSA Safety\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eModel \/ SKU\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eGMT \/ 806059\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eHazard Classification\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eMulti-Gas \/ Tritium (chemical cartridge)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eParticulate Protection\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eNone (chemical cartridge only)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eApproval Standard\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eNIOSH, 42 CFR Part 84\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eAssigned Protection Factor (APF)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003e10 (half-face) \/ 50 (full-face) per OSHA 29 CFR 1910.134\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eMount Type\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eComfo bayonet threaded (quarter-turn)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003ePack Size\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003e2 cartridges\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003ePrice (2-pack)\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003e$78.93\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003ePrice per cartridge\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003e~$39.47\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eCompatible Platforms\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #444;padding:9px 12px;\"\u003eComfo Classic, Comfo II, Advantage 200 LS, Ultra-Twin, Ultra-Elite\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eSorbent Type\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #333;padding:9px 12px;\"\u003eMulti-sorbent with tritium-impregnated bed\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c!-- CTA --\u003e\n\u003cdiv style=\"margin:24px 0;\"\u003e\n  \u003ca href=\"\/products\/msa-gmt-multi-gas-cartridge\" style=\"display:inline-block;background:#ff9800;color:#1a1a1a;padding:10px 20px;border-radius:4px;text-decoration:none;font-weight:bold;margin:4px 0;\"\u003eShop at WC Safety\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c!-- 13. HELPFUL BUYING GUIDES --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-guides\"\u003eHelpful Buying Guides\u003c\/h2\u003e\n\u003cul style=\"color:#e0e0e0;line-height:2;\"\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: Cartridges, Filters, and Combination Units\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 Hazard Class Codes\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 Cartridge Do You Need?\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/guides\/best-respirator-for-welding-fumes\" style=\"color:#4fc3f7;\"\u003eBest Respirator for Welding Fumes — 2026 Buyer's Guide\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/guides\/3m-filter-cartridge-guide\" style=\"color:#4fc3f7;\"\u003e3M Respirator Filter and Cartridge Guide — Cross-Reference and Selection\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/3m-respirator-filters-and-cartridges\" style=\"color:#4fc3f7;\"\u003e3M Respirator Filters and Cartridges Collection\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/moldex-respirator-cartridges-and-filters\" style=\"color:#4fc3f7;\"\u003eMoldex Respirator Cartridges and Filters Collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- 14. FREQUENTLY ASKED QUESTIONS --\u003e\n\u003ch2 style=\"color:#ff9800;\" id=\"gmt-faq\"\u003eMSA GMT Multi-Gas Cartridge Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eCan I use the MSA GMT with a full-face respirator?\u003c\/h3\u003e\n\u003cp\u003eYes, provided your full-face respirator uses the Comfo bayonet threaded mount. The Ultra-Twin and Ultra-Elite full-face respirators are compatible with the GMT. Pairing the GMT with a full-face respirator raises the assigned protection factor from 10 (half-face) to 50, providing greater protection against higher concentrations of covered inorganic gases and tritium. Always verify mount compatibility with your specific respirator model and lot before deployment.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eHow do I know when to replace my MSA GMT cartridge?\u003c\/h3\u003e\n\u003cp\u003eMSA and OSHA require a written cartridge change schedule based on your specific chemical concentrations, humidity, temperature, work rate, and service life data. Never rely solely on odor detection — many hazardous gases (including tritium) have no reliable odor threshold for warning. Your respiratory protection program administrator is responsible for establishing and documenting the change schedule. Discard cartridges if they are physically damaged, exceed their service-life schedule, or have been exposed to an IDLH event.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eIs the MSA GMT compatible with the Advantage snap-on respirator system?\u003c\/h3\u003e\n\u003cp\u003eNo. The GMT uses a Comfo bayonet threaded mount that is physically incompatible with the MSA Advantage snap-on attachment mechanism. Attempting to force a Comfo cartridge onto an Advantage respirator will not seat correctly and will result in an unsealed connection. Purchase Advantage-series cartridges for Advantage platform respirators.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eDoes the MSA GMT protect against mercury vapor?\u003c\/h3\u003e\n\u003cp\u003eNo. Mercury vapor adsorption requires the specialized MERSORB activated carbon impregnated with sulfur chemistry, found only in the \u003ca href=\"\/products\/msa-mersorb-p100-mercury-vapor-cartridge\" style=\"color:#4fc3f7;\"\u003eMSA MERSORB P100 cartridge\u003c\/a\u003e. The GMT's sorbent bed is not rated for mercury service.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eCan the MSA GMT be used for radioactive iodine?\u003c\/h3\u003e\n\u003cp\u003eNo. Radioactive iodine capture requires a silver-zeolite impregnated medium, which is present only in the \u003ca href=\"\/products\/msa-gmi-iodine-p100-cartridge\" style=\"color:#4fc3f7;\"\u003eMSA GMI iodine\/P100 cartridge\u003c\/a\u003e. The GMT's tritium sorbent bed addresses tritium (³H) specifically — it is not rated for radioactive iodine isotopes.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eHow does the per-cartridge cost of the GMT compare to the GME?\u003c\/h3\u003e\n\u003cp\u003eThe GME multigas cartridge is sold in boxes of 10 for $24.49, approximately $2.45 per cartridge. The GMT is sold in 2-packs for $78.93, approximately $39.47 per cartridge — roughly 16× the per-unit cost of the GME. The price premium reflects the specialty tritium sorbent layer. Facilities without a confirmed tritium hazard should use the GME to avoid unnecessary cost; the GMT provides no other performance advantage over the GME for non-tritium environments.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eDoes the GMT protect against formaldehyde?\u003c\/h3\u003e\n\u003cp\u003eYes. Formaldehyde is included in the GMT's multi-gas coverage. This makes the GMT suitable for pathology labs, embalming facilities, composite wood manufacturing operations, and other environments where formaldehyde coexists with inorganic acid gas hazards. If formaldehyde is the only gas hazard, a single-class cartridge may be more cost-effective — discuss your exposure profile with an industrial hygienist.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eIs the MSA GMT the same as the GME?\u003c\/h3\u003e\n\u003cp\u003eNo — though they share the same nine inorganic gas hazard classes, the GMT adds a tritium-impregnated sorbent bed not present in the GME. This is the sole technical differentiator. Both use the same Comfo bayonet mount and cover the same list of acids, sulfur compounds, ammonia\/methylamine, formaldehyde, and chlorine-family gases. Facilities without tritium exposure should default to the GME on cost grounds.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eWhat is the pack configuration for the MSA GMT?\u003c\/h3\u003e\n\u003cp\u003eThe GMT is sold exclusively in a 2-pack (two cartridges per pack) under SKU 806059 for $78.93. This is designed for dual-cartridge respirators that require a matched pair — one cartridge per side — on the Comfo platform. Larger bulk pack options (boxes of 6 or 10) are not available for the GMT in the current product lineup.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eCan the MSA GMT be used in combination with a P100 filter?\u003c\/h3\u003e\n\u003cp\u003eThe GMT itself has no integrated P100 layer. Whether an add-on particulate prefilter can be attached depends on the specific respirator model — some Comfo respirators support a canister-style arrangement with a prefilter. Consult your MSA respirator's documentation. Alternatively, if you need both the GMT's gas coverage and particulate protection, evaluate whether a combination cartridge or upgraded model better suits your application, as the GME-P100 provides multi-gas plus P100 in one unit (without the tritium sorbent).\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eIs there an Amazon listing for the MSA GMT cartridge?\u003c\/h3\u003e\n\u003cp\u003eThe MSA GMT Multi-Gas Cartridge is available through WC Safety directly. Purchase through the WC Safety store to ensure you receive genuine MSA product with current lot codes and valid change-schedule documentation.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#ffb74d;\"\u003eWhat inorganic gases does the MSA GMT cover?\u003c\/h3\u003e\n\u003cp\u003eBased on MSA published data for the multi-gas class, the GMT covers: chlorine (Cl₂), sulfur dioxide (SO₂), chlorine dioxide (ClO₂), hydrogen chloride (HCl), hydrogen sulfide (H₂S), ammonia (NH₃), methylamine, formaldehyde (CH₂O), and hydrogen fluoride (HF) — plus tritium via its specialty impregnated sorbent bed. Confirm these chemical classes against the NIOSH TC approval number printed on your cartridge before use.\u003c\/p\u003e\n\n\u003c!-- 15. FOOTER E-E-A-T TRUST STACK --\u003e\n\u003cdiv style=\"border-top:1px solid #444;margin-top:32px;padding-top:16px;font-size:0.85em;color:#aaa;\"\u003e\n  \u003cp\u003eWritten by \u003cstrong style=\"color:#ffb74d;\"\u003eSteven Eaton\u003c\/strong\u003e, WC Safety Editorial — industrial hygiene \u0026amp; PPE selection specialist. Reviewed by the WC Safety Editorial Team. | \u003ca href=\"\/collections\/msa-respirator-filters-and-cartridges\" style=\"color:#4fc3f7;\"\u003eMSA Respirator Filters \u0026amp; Cartridges\u003c\/a\u003e | \u003ca href=\"\/blogs\/guides\/how-to-choose-a-respirator-cartridge\" style=\"color:#4fc3f7;\"\u003eRespirator Selection Guide\u003c\/a\u003e\u003c\/p\u003e\n  \u003cp style=\"font-size:0.9em;\"\u003eManufacturer specifications sourced from MSA Safety published data. WC Safety is an authorized MSA Safety retailer. Always verify cartridge compatibility with your specific respirator model before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003c!-- end .product-description-rich --\u003e","brand":"MSA Safety","offers":[{"title":"Default Title","offer_id":44064799621208,"sku":"806059","price":78.93,"currency_code":"USD","in_stock":true}],"url":"https:\/\/wcsafety.com\/products\/msa-gmt-multi-gas-cartridge","provider":"WC Safety","version":"1.0","type":"link"}