3M 311-1252 E-A-Rsoft Yellow Neon Blasts Disposable Corded Earplugs, 200 Pairs These earplugs provide the highest attenuation of any earplug in the industry - NRR 33dB..
Howard Leight LT-30 Laser Trak Orange and Blue Detectable Foam Corded Earplugs, 100 Pairs Offering high visual and metal detectability in a single-use earplug..