Peltor™ 7000002327 Noise Reduction Earmuff, 30 dB Noise Reduction, Black/Red, Hard Hat Attached Band Position, CSA Certified Class AL, ANSI S3.19-1974

For noise levels up to 105 dBA, these cap attached with double-shell technology to provide effective hearing protection - proprietary Twin-Cup™ design has soft, foam-filled earmuffs. Easy cap-mount design - Earcup pivot points that tilt for optimum comfort and efficiency. Liquid/foam-filled earmuff cushions. Color-coding to help match attenuation needs. Noise reduction rating (NRR)*: 27 dB. CSA class AL *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M™ is leading the Advancement of hearing Conservation™.