| 3M X1B Behind-the-Head Ear Muffs, 22 dB, Peltor X1, Black Ear Muffs, Earmuff Style Behind-the-Neck, Noise Reduction Rating 22 dB, Dielectric No, Cushion Material ABS, Polyurethane, For Use With Face Shields, Headgear, Includes Head Strap, Cup Color Black/Green, Series X, Standards CSA Class A, Replacement... ... more 3M X1B Behind-the-Head Ear Muffs, 22 dB, Peltor X1, Black Ear Muffs, Earmuff Style Behind-the-Neck, Noise Reduction Rating 22 dB, Dielectric No, Cushion Material ABS, Polyurethane, For Use With Face Shields, Headgear, Includes Head Strap, Cup Color Black/Green, Series X, Standards CSA Class A, Replacement... | | $24.99 go to store |