3M Ear Plugs, 200 Pairs/Box, E-A-R Classic 310-1001, Uncorded, Disposable, Foam, NRR 29, For Drilling, Grinding, Machining, Sawing, Sanding, Welding, 1 Pair/Pillow Pack
Slow recovery, low-pressure foam conforms to the shape of the earcanal. Flame-resistant and moisture-resistant. Test compatible with 3MTM E-A-RfitTM validation system.