Howard Leight Multi Max MM-1 Cordless Earplugs — NRR 31

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Howard Leight Multi Max MM-1 Cordless Earplugs — NRR 31EDITORIAL REVIEW: 4. 9 5WC Safety Review Howard Leight Multi Max MM 1 Cordless Earplugs Best For: corded single use foam hearing protection at NRR 31 dB in a low profile uncorded design. Not For: non noise hazards, or noise that earplugs alone can't bring under ~85 dBA (add earmuffs). Bottom Line: a practical single use foam plug at NRR 31 dB the uncorded low profile fit suits tight spaces and high volume single use. Editorial assessment by the WC

Both are rated for formaldehyde and organic vapor

Is the QD1 an Amazon affiliate purchase through WC Safety

Pick the 2291 for dust-only jobs and the 2097 when faint organic vapor odors are present but below exposure limits

and 90 dBA is the permissible exposure limit (PEL)

3M 2091 vs 60921

Does the 3M 6004 protect against chlorine or other acid gases

derate before relying on it as sole protection

the 2078 captures the fine dust these tasks generate and reduces nuisance odors from resins and finishes below the exposure limit

hard-shell P100 that survives abrasive

so the 2297 mounts directly to it

start with our guide to choosing a respirator cartridge and the Honeywell North cartridge guide

if you use a solvent-based stripper