3M™ E-A-R™ Earmuffs 331-4000, Model 4000
Outstanding comfort and protection at a budget-conscious price.
|ITEM#|| : ||331-4000|
|MANUFACTURER|| : ||3M|
Vertical adjustment system for quick and easy fitting. Large earcup openings to fit most ear sizes. Soft wide cushions for even pressure and extra comfort. NRR 27dB. ANSI S3.19; CSA Class A.