3M Peltor Optime 101 Ear Muffs (H7A) — NRR 27 Over-the-Head Hearing Protection with-case It isolates hazardous energy so

It isolates hazardous energy so equipment cannot be re-energized during service

Never assume a "multi-gas" cartridge covers CO

It is the technical reason the 2297 breathes easier than the standard-media 2097

fast-moving fires

3M Peltor Optime 101 Ear Muffs (H7A) — NRR 27 Over-the-Head Hearing Protection with-case It isolates hazardous energy soEDITORIAL REVIEW: 4. 5 5 WC Safety Review of the 3M Peltor Optime 101 ear muffs, model H7A Editorial assessment by Steven Eaton, WC Safety editor, based on published 3M specifications and category fit. We did not laboratory test this product. CHECK PRICE ON AMAZON SHOP EAR MUFFS As an Amazon Associate, WC Safety earns from qualifying purchases. Full affiliate disclosure. 3M Peltor Optime 101 ear muffs overview Optime 101 NRR 27, model 3M Peltor H7A 3M