3M Pro-Grade Ear Muffs, NRR 27 — Passive Over-the-Head Hearing Protection 442007 The Portwest EP02 are rated

The Portwest EP02 are rated NRR 32 dB (EPA-labeled per ANSI S3

a vented Class C runs cooler

Hazard Fit Buyer guidance Shields a P100 filter from liquid Yes Extends filter life in wet work

Pros Thicker fingertips resist punctures on rough jobs

The hard hats vs bump caps guide explains the difference

3M Pro-Grade Ear Muffs, NRR 27 — Passive Over-the-Head Hearing Protection 442007 The Portwest EP02 are ratedEDITORIAL REVIEW: 4. 5 5 WC Safety Review 3M Pro Grade Ear Muffs, NRR 27 Lightweight Over the Head Hearing Protection Editorial assessment by Steven Eaton, WC Safety editor, based on published 3M specifications and category fit. We did not laboratory test this product. SHOP EAR MUFFS 3M Pro Grade Ear Muffs, NRR 27 Passive Over the Head Hearing Protection Overview The 3M Pro Grade Ear Muff is a passive, over the head hearing protector built for buyers