3MR391-1004 EARsoft Yellow Neons

These uncorded foam earplugs feature soft, slow-recovery foam for comfort and outstanding noise reduction. Earplugs are easy to roll down and insert, then expand within the ear canal for a comfortable, secure fit. Refill container for One Touch dispenser. One gentle turn delivers uncorded foam earplugs. No packaging waste with each pair Noise Reduction Rating (NRR)*: 33 dB. CSA Class AL Test compatible with 3M E-A-Rfit Validation System *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.