3M Peltor Optime 98 Hard Hat Attachment Earmuff Or Behind The Head Style wecos spikes with a gradual release of

with a gradual release of friction

500-degree furnace for maximum durability

this 500i/661 filter is washable

and a wedge/ring connection for trusted head retention

3M Peltor Optime 98 Hard Hat Attachment Earmuff Or Behind The Head Style wecos spikes with a gradual release of3M Peltor Optime 98 hard hat attachment earmuffs feature a universal mounting attachment that fits most hard hats. A versatile, cap mount earmuff. For noise levels up to 98 dBA. Universal mounting attachment fits most hard hats Earcup pivot points tilt for optimum comfort and efficiency. Ultra light with liquid foam filled earmuff cushions. Color coding for compliance sighting. Noise Reduction Rating (NRR)*: 23 dB. CSA Class A