3M™ E-A-R™ Model 2000H Earmuffs 330-3031

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.

• 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