3M™ E-A-R™ UltraFit™ Corded Earplugs 340-4004, Hearing Conservation, in Poly Bag, 400 PR/Case
These durable, reusable corded earplugs are easy to use again and again, reducing waste.
∙ Poly bag keeps earplugs clean before use
∙ Single size fits comfortably in most earcanals.
∙ Proprietary, premolded, triple-flange earplug design inserts easily.
∙ No rolling or sizing needed to get a comfortable, protective fit.
∙ Washable and reusable.
∙ Noise Reduction Rating (NRR)*: 25dB. CSA Class AL.
*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.
3M is Leading the Advancement of Hearing Conservation™."