Product Reviews

If your job involves spraying two-component coatings, working near acid mist and solvent vapors simultaneously, or applying pesticides with both organic vapor and particulate hazards, a standard organic vapor cartridge is not enough — and a stand-alone P100 filter is not enough either. You need a…

If your workers face mixed organic vapor and acid gas exposures — including formaldehyde — and you want to eliminate the administrative burden of a written cartridge change schedule, the Moldex 7600 Multi-Gas/Vapor Smart Cartridge is almost certainly the right cartridge. Its built-in color-change…

If your workplace exposes workers to ammonia vapor and particulate hazards simultaneously — poultry processing lines, enclosed fertilizer application, aquaculture facilities, or livestock confinement buildings — a standard ammonia-only cartridge is not enough. You need a combination assembly that…

yes — if you need verified protection specifically against ammonia vapor (NH₃) or methylamine vapor (CH₃NH₂) on a Moldex respirator platform. The Moldex 7400 is the only Moldex cartridge carrying the NIOSH AM (Ammonia/Methylamine) classification, making it the mandatory choice for those hazards on…

If your hazard profile includes both organic vapors — solvents, petroleum distillates, ketones, aromatics — and acid gases such as chlorine, hydrogen chloride, sulfur dioxide, or hydrogen sulfide, then a single-class organic vapor cartridge leaves you half-protected. The Moldex 7300 is a dual-class…

Acid gas cartridges occupy a narrow, specific lane in the respiratory protection market. Unlike organic vapor (OV) cartridges or multi-gas combinations, an AG-only cartridge is engineered for a single chemical class — inorganic acid gases — and nothing else. That specificity is both its strength…

Yes — if your hazard is organic vapor only, you run a Moldex 7000, 7800, or 9000 series respirator, and you have a written change-schedule program in place. The Moldex 7100 is a dependable, straightforward OV cartridge at a fair price point. If you face both organic vapor and acid gases, step up to…

The 3M 2297 is the premium pleated version of the 2097 - the same P100 efficiency and nuisance organic vapor relief, with lower breathing resistance. This review covers what it's used for, which 3M 6000, 6500QL, and 7500 respirators it fits, where it falls short, and how it compares to the 2097, 2291 and 2091.

The 3M 2291 is the Advanced Particulate P100 filter: the same 99.97% protection as the standard 2091 but with lower breathing resistance for long shifts, and no gas relief. This 3M 2291 review covers what it protects against, which respirators it fits, and how it compares to the 2091, 2097 and 2297.

The 3M 5N11 is an N95 particulate prefilter that snaps over a 3M cartridge with the 501 retainer to add particulate protection and extend cartridge life. This review covers what it's used for, which 3M 6000, 6500QL, and 7500 respirators it fits, where it falls short, and how it compares to the 5P71, 2091 and 2097.

The 3M 2091 is the standard P100 particulate filter: 99.97% oil-proof protection against dust, fume and mist, and the most-stocked P100 in the 3M bayonet line - particulate only, no gas relief. This 3M 2091 review covers what it protects against, which respirators it fits, and how it compares to the 2291 and 2097.

Honeywell North 75FFP100 P100 Respirator Filter review - specs, fit, pros and cons, NIOSH/OSHA compliance, and who it's for.