{"product_id":"3m-2091-p100-respirator-filter","title":"3M 2091 P100 Respirator Filter","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cdiv class=\"product-description-rich\" style=\"color:#e0e0e0;\"\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"line-height:1.7;\"\u003eThe \u003cstrong\u003e3M 2091 P100 Particulate Filter\u003c\/strong\u003e (SKU 2091) is a NIOSH-approved \u003cstrong\u003eP100 particulate filter\u003c\/strong\u003e for 3M bayonet respirators. If you are searching for a \u003cstrong\u003e3M 2091 filter\u003c\/strong\u003e, a \u003cstrong\u003e3M 2091 respirator filter\u003c\/strong\u003e, or a \u003cstrong\u003e3M 2091 replacement filter\u003c\/strong\u003e, this is the part — sold and used as a pair. It captures dusts, mists, fumes, and other particulates\u003c\/p\u003e\n\u003cp style=\"line-height:1.7;\"\u003eThe 2091 attaches to every 3M bayonet facepiece — the \u003ca href=\"\/products\/3m-6000-series-half-mask-respirator\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 6000 Series\u003c\/a\u003e, \u003ca href=\"\/products\/3m-6500-series-half-mask-respirator-6501-6502-6503\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e6500QL Series\u003c\/a\u003e, and \u003ca href=\"\/products\/3m-7500-series-half-mask-respirator\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e7500 Series\u003c\/a\u003e half masks, plus 3M full facepieces. Buyers choose the 2091 when the hazard is \u003cstrong\u003eparticulate\u003c\/strong\u003e and no gas\/vapor protection is required. Browse the full lineup in the \u003ca href=\"\/collections\/3m-respirator-filters-and-cartridges\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M respirator cartridges and filters collection\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"line-height:1.9;padding-left:18px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter rating:\u003c\/strong\u003e P100 particulate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIOSH approved\u003c\/strong\u003e under 42 CFR Part 84\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3M bayonet connection\u003c\/strong\u003e — compatible with 3M 6000, 6500QL, and 7500 half masks and 3M full facepieces\u003c\/li\u003e\n\u003cli\u003eLightweight, low-profile design preserves field of view\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold and used as a pair\u003c\/strong\u003e — one on each side of the facepiece\u003c\/li\u003e\n\u003cli\u003ePure particulate filtration with no gas\/vapor media\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eCommon Applications\u003c\/h2\u003e\n\u003cp style=\"line-height:1.7;\"\u003eThe 3M 2091 is specified for particulate hazards. Common buyer applications include:\u003c\/p\u003e\n\u003cul style=\"line-height:1.9;padding-left:18px;\"\u003e\n\u003cli\u003eSilica dust from concrete cutting and grinding\u003c\/li\u003e\n\u003cli\u003eLead and heavy-metal dust\u003c\/li\u003e\n\u003cli\u003eAsbestos and mold remediation\u003c\/li\u003e\n\u003cli\u003eWelding fume and metal particulate\u003c\/li\u003e\n\u003cli\u003eWoodworking and general dust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size:0.9em;line-height:1.6;color:#b0bec5;\"\u003eA particulate filter does not protect against gases or vapors — for solvents, acid gas, or other vapors choose a gas\/vapor or combination cartridge.\u003c\/p\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eCompatible Respirators\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;color:#e0e0e0;margin:16px 0;font-size:0.93em;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"padding:10px 12px;border:1px solid #333;color:#ffb74d;text-align:left;\"\u003eRespirator Series\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;border:1px solid #333;color:#ffb74d;text-align:center;\"\u003eCompatible?\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;border:1px solid #333;color:#ffb74d;text-align:left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e\u003ca href=\"\/products\/3m-6000-series-half-mask-respirator\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 6000 Series Half Face\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;text-align:center;color:#81c784;\"\u003e✅ Yes\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e6100 \/ 6200 \/ 6300 bayonet half masks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#222;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e\u003ca href=\"\/products\/3m-6500-series-half-mask-respirator-6501-6502-6503\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 6500QL Series Half Face\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;text-align:center;color:#81c784;\"\u003e✅ Yes\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e6501QL \/ 6502QL \/ 6503QL Rugged Comfort\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e\u003ca href=\"\/products\/3m-7500-series-half-mask-respirator\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 7500 Series Half Face\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;text-align:center;color:#81c784;\"\u003e✅ Yes\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e7501 \/ 7502 \/ 7503 silicone half masks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#222;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e3M 6000 Series Full Face\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;text-align:center;color:#81c784;\"\u003e✅ Yes\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e6700 \/ 6800 \/ 6900 full facepieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e\u003ca href=\"\/products\/3m-7800s-series-full-face-respirator-7800s-s-7800s-m-7800s-l\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 7800S Series Full Face\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;text-align:center;color:#81c784;\"\u003e✅ Yes\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e7800S-S \/ -M \/ -L silicone full facepieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#222;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e3M Secure Click (HF-800)\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;text-align:center;color:#e57373;\"\u003e✘ No\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003eSecure Click uses D-series cartridges, not bayonet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size:0.88em;line-height:1.6;color:#b0bec5;\"\u003e3M bayonet cartridges and filters are not compatible with Honeywell North, MSA, Moldex, or 3M Secure Click respirators.\u003c\/p\u003e\n\u003cp style=\"line-height:1.7;\"\u003eAll compatibility above is based on the \u003cstrong\u003e3M bayonet connection\u003c\/strong\u003e shared across the 3M 6000, 6500QL, 7500, and 7800S platforms. The same bayonet geometry lets you standardize on one cartridge or filter line and move it between half masks and full facepieces. 3M bayonet parts do \u003cstrong\u003enot\u003c\/strong\u003e fit Honeywell North, MSA, Moldex, or 3M Secure Click respirators, which use different connection systems — confirm your respirator before ordering.\u003c\/p\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;color:#e0e0e0;margin:16px 0;font-size:0.93em;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e3M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#222;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e2091\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003eParticulate filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#222;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003eProtection Type\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003eP100 particulate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003eFilter Rating\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003eP100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#222;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003eConnection Type\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e3M bayonet twist-lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003eCompatible Respirators\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003e3M 6000, 6500QL, 7500, 6000 full face, 7800S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#222;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003ePackage Quantity\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003eSold as a pair (2 filters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003eRecommended Replacement\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003eWhen breathing resistance increases, or if damaged\/soiled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#222;\"\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;font-weight:600;width:40%;\"\u003ePrimary Applications\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #333;\"\u003eSilica, lead, asbestos, welding fume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eWhen to Choose This Product\u003c\/h2\u003e\n\u003cp style=\"line-height:1.7;\"\u003eChoose the \u003cstrong\u003e3M 2091\u003c\/strong\u003e when the airborne hazard is \u003cstrong\u003eP100 particulate\u003c\/strong\u003e — dust, mist, or fume — with no gas\/vapor present. If you are unsure which protection class your task requires, the \u003ca href=\"\/blogs\/guides\/how-to-choose-a-respirator-cartridge\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003erespirator cartridge selection guide\u003c\/a\u003e walks through matching the cartridge or filter to the contaminant.\u003c\/p\u003e\n\u003cul style=\"line-height:1.9;padding-left:18px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas or vapor also present?\u003c\/strong\u003e Add a gas\/vapor cartridge or choose a combination cartridge such as the \u003ca href=\"\/products\/3m-60921-p100-organic-vapor-respirator-cartridge\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 60921 Organic Vapor \/ P100 Cartridge\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower-cost particulate need?\u003c\/strong\u003e The \u003ca href=\"\/products\/3m-5n11-n95-pre-filter\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 5N11 N95 Particulate Filter\u003c\/a\u003e N95 prefilter or \u003ca href=\"\/products\/3m-5p71-p95-pre-filter\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 5P71 P95 Particulate Filter\u003c\/a\u003e P95 prefilter may suffice for non-oil dusts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height:1.7;\"\u003eThe correct cartridge is determined by the contaminant in your air, not by the respirator brand — a properly fit-tested 3M facepiece accepts whichever bayonet cartridge matches your hazard assessment. Confirm the airborne hazard through an industrial-hygiene assessment, then match it to the cartridge type using the buying guides below. If your exposure changes or your task adds a second hazard class, switch cartridges rather than relying on one part to cover everything — the related products on this page link directly to the alternatives most buyers add alongside the undefined.\u003c\/p\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eCompliance \u0026amp; Replacement\u003c\/h2\u003e\n\u003cp style=\"line-height:1.7;\"\u003eThis undefined cartridge is NIOSH approved under 42 CFR Part 84 and is intended for use within a written respiratory protection program (OSHA 29 CFR 1910.134), which includes hazard assessment, medical evaluation, and annual fit testing. Gas and vapor cartridges have no end-of-service-life indicator, so they must be replaced on a documented change-out schedule based on objective exposure data — never wait until you can smell or taste the contaminant. Air-purifying cartridges are not for use in oxygen-deficient or IDLH atmospheres; those conditions require supplied-air or SCBA protection.\u003c\/p\u003e\n\u003cp style=\"line-height:1.7;\"\u003eBuyers running multiple 3M respirator families can stock one undefined line for the whole site. For help building a complete configuration — facepiece plus the right cartridge — use the cartridge selection and compatibility guides below, or browse the full 3M filter and cartridge range in the collection.\u003c\/p\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eRelated 3M Cartridges and Filters\u003c\/h2\u003e\n\u003cul style=\"line-height:1.9;padding-left:18px;\"\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3m-2097-p100-respirator-filter-nuisance-organic-vapor\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 2097 P100 Filter with Nuisance OV Relief\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3m-2291-p100-respirator-filter\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 2291 Advanced P100 Particulate Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3m-60921-p100-organic-vapor-respirator-cartridge\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 60921 Organic Vapor \/ P100 Cartridge\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3m-5n11-n95-pre-filter\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 5N11 N95 Particulate Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3m-5p71-p95-pre-filter\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M 5P71 P95 Particulate Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eHelpful Buying Guides\u003c\/h2\u003e\n\u003cul style=\"line-height:1.9;padding-left:18px;\"\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/3m-respirator-filters-and-cartridges\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003eShop all 3M respirator cartridges and filters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/guides\/how-to-choose-a-respirator-cartridge\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003eHow to choose a respirator cartridge (selection guide)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/guides\/3m-filter-cartridge-guide\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003e3M cartridge \u0026amp; filter compatibility guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/reference\/respirator-cartridge-color-codes\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003eRespirator cartridge color code guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/guides\/how-long-do-respirator-cartridges-last\" style=\"color:#4fc3f7;text-decoration:underline;\"\u003eHow long do respirator cartridges last (replacement guide)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color:#ff9800;\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 style=\"margin-bottom:6px;color:#ffb74d;\"\u003eDoes the 3M 2091 fit the 3M 6000 Series respirator?\u003c\/h3\u003e\n\u003cp style=\"margin-top:0;line-height:1.6;\"\u003eYes. The 2091 uses the 3M bayonet connection and fits all 3M 6000 Series (6100\/6200\/6300) half masks and 6000-series full facepieces.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom:6px;color:#ffb74d;\"\u003eDoes the 3M 2091 fit the 3M 7500 Series respirator?\u003c\/h3\u003e\n\u003cp style=\"margin-top:0;line-height:1.6;\"\u003eYes. It fits the 3M 7500 Series (7501\/7502\/7503) and the 6500QL Series — all use the same bayonet connection.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom:6px;color:#ffb74d;\"\u003eIs the 3M 2091 sold as a pair?\u003c\/h3\u003e\n\u003cp style=\"margin-top:0;line-height:1.6;\"\u003eYes — filters are used two at a time and are sold as a pair.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom:6px;color:#ffb74d;\"\u003eWhat is the 3M 2091 filter used for?\u003c\/h3\u003e\n\u003cp style=\"margin-top:0;line-height:1.6;\"\u003eP100 particulate protection — silica, lead, asbestos, mold, welding fume, and general dust. It is 99.97% efficient against oil and non-oil particles.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom:6px;color:#ffb74d;\"\u003eDoes the 3M 2091 protect against solvents or gases?\u003c\/h3\u003e\n\u003cp style=\"margin-top:0;line-height:1.6;\"\u003eNo — it is a particulate filter only. For solvents, acid gas, or other vapors, choose a gas\/vapor or combination cartridge.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom:6px;color:#ffb74d;\"\u003eWhen should the 3M 2091 be replaced?\u003c\/h3\u003e\n\u003cp style=\"margin-top:0;line-height:1.6;\"\u003eReplace it when breathing resistance noticeably increases, or if the filter is damaged, soiled, or wet.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":41723665055832,"sku":"2091","price":23.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/4JG27_AS01.jpg?v=1716610897","url":"https:\/\/wcsafety.com\/products\/3m-2091-p100-respirator-filter","provider":"WC Safety","version":"1.0","type":"link"}