Peltor Optime 101 H7B Review: NRR 26 Behind-the-Head
Yes — for workers who wear welding helmets, face shields, or hard hats that block a standard over-the-head earmuff headband, the 3M Peltor Optime 101 H7B is the strongest passive neckband earmuff at NRR 27 on the market. Workers who don't regularly wear head-blocking PPE will get better seal…