M Ear Plugs 500 Pair/Refill Bottle for One Touch Dispenser E-A-Rsoft SuperFit
3M Ear Plugs 500 Pair/Refill Bottle for One Touch Dispenser E-A-Rsoft SuperFit 391-1254 Uncorded Disposable Foam NRR 33 Drilling Grinding Machining Sawing Sanding Welding Yellow/Red. An orange fitting ring provides a guideline for proper fitting.