3M 312-1250 E-A-Rsoft Yellow Neon Disposable Uncorded Earplugs, 200 Pairs These earplugs provide the highest attenuation of any earplug in the industry - NRR 33dB..
3M 311-1250 E-A-Rsoft Yellow Neon Disposable Corded Earplugs, 200 Pairs These earplugs provide the highest attenuation of any earplug in the industry - NRR 33dB..