MSA 10004293 Ear Muffs, 22 dB NRR, Plastic, Black/Green

Dielectric design for use around electrical hazards. Extremely soft ear pads improve comfort. Noise Reduction Rating (NRR) of 20. Tested in accordance with ANSI S3.19-1974. Used in applications such as mowing/trimming lawn, power tool use, traffic and office noise or sleeping in noisy rooms.