3M Peltor X1A X-Series Over-the-Head Earmuffs, NRR 22 dB, One Size Fits Most, Black/Green, Pack of 1

The 3M Peltor protective earmuff is made of foam, is packaged 10 per case, comes in black or green and meets CSA Class A standards. An important part of this product is the amount of hearing protection it provides; referred to as the Noise Reduction Rating (NRR). This item has an NRR of 22 db.