3M 90565-4DC-PS Pro-Grade Earmuff with Adjustable Headband, 30db NRR Thanksgiving Insert Cartridge Punch through Trigger

Insert Cartridge Punch through Trigger Triangle and into Firing Barrel

Thermal disconnect MOV technology eliminates the need for additional fusing

Superior adhesive for most surfaces

Red indicator light flashes repeatedly upon kill

Width : 15-1/2 inch

3M 90565-4DC-PS Pro-Grade Earmuff with Adjustable Headband, 30db NRR Thanksgiving Insert Cartridge Punch through Trigger3M Pro Grade Earmuff offers superior comfort and protection. Designed to be a high noise reducing protection earmuff. Adjustable, vented headband design reduces heat build and improves comfort when worn with hats. Great for yard work and household projects where harmful noise is present. One of the best noise reducing earmuffs Noise Reduction Rating (NRR) of 30 dB Helps protect against harmful noises that are at 85 dB and above Steel wire headband