3M Ear Plugs, 200/Box, E-A-Rsoft SuperFit 311-1254, Corded, Disposable, Foam, NRR 33, Drilling, Grinding, Machining, Sawing, Sanding, Welding, 1/Poly Bag. SOFT SOUND-ABSORBING FOAM: Soft foam earplugs are easy to roll down and insert, then expand within the ear canal to help reduce noise exposure.
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