Noise Reduction Rating (NRR) 25 dB, CSA Class A Requires a mechanical face shield with adapter Compatible with XP mechanical face shield kit Extra-soft memory foam ear cushions, comfortable even when worn for long periods of time Ergonomic design for...

NRR 23dB Dielectric Soft foam ear cups Fits slotted full brim hard hats Easily accessible while working Flip down over ears to use Flip up when not in use 

NRR 22dB Dielectric Soft foam ear cups Fits wide variety of hard hats Easily accessible while working Flip down over ears to use Flip up when not in use Individually packaged

3MTM Personal Safety Division PELTORTM OptimeTM 105 EarmuffsProduct Details:Twin cup design minimizes resonance, thus achieving maximum high and low frequency attenuationPivoting earcups for optimum fitTesting and Approvals:CSA Class AL Specifications Big Catalog Page# 2012:2511 Brand PELTOR Color Hi-Viz Green Country of Origin US...