Description These 3M™ uncorded foam earplugs feature a soft, hypoallergenic foam construction and a smooth, dirt-resistant surface for hygiene. The tapered design conform to the unique shape of each ear for excellent hearing protection and comfort. Each earplug has a Noise Reduction Rating (NRR)* of 29 dB. *The NRR may overestimate the hearing protection provided during typical use. 3M™ recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. Features Smooth, dirt resistant surface provides better hygiene Earplugs are easy to roll down for quick and easy fitting Tapered design fits comfortably in ear canals Soft polyurethane foam is hypoallergenic Noise Reduction Rating (NRR) 29 dB, CSA Class AL
