Lightweight, durable plastic construction is non-conductive and dielectric for tough environments
An "at-rest" position eliminates contact with other gear to reduce contamination and distortion
Works with most slotted hardhats
Noise Reduction Rating* NRR 21 dB. CSA class B
3M™ earmuffs feature durable, lightweight construction of non-conductive, dielectric plastic that mounts to most hard hats without an adaptor and easily swing out of the way when not in use.