MSA GMB/P100 Respirator Cartridge — Acid Gas/P100 (MSA Comfo) 6831 The M-407 PAPR assembly maintains

The M-407 PAPR assembly maintains comfort throughout the shift without these compliance-degrading effects

non-removable

Instead of rolling down compressible foam between your fingers

It carries ANSI Z87

Use case Fit Buyer guidance Chemical handling & lab splash Excellent Sealed body plus indirect venting blocks droplet and splash entry while resisting fog — the core use case for a vented goggle over open glasses

MSA GMB/P100 Respirator Cartridge — Acid Gas/P100 (MSA Comfo) 6831 The M-407 PAPR assembly maintainsEDITORIAL REVIEW: 4. 5 5WC Safety Review MSA GMB P100 Respirator Cartridge Best For: acid gas with dust in one cartridge on MSA Comfo respirators. Not For: organic vapor, ammonia or formaldehyde. It covers acid gas and particulate only. Bottom Line: the do it all acid gas plus dust cartridge for the MSA Comfo system. If there is no dust, the gas only GMB is cheaper. Editorial assessment by Steven Eaton, WC Safety editor. Scoring reflects published MSA