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|Atribut||Model Number 340-402 Unit 1unit Noise Reduction Ratings (NRR) 25 dB|
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These durable, corded reusable earplugs are easy to use again and again, reducing waste. Push-to-fit products provide in-ear comfort and convenience, with the hearing protection you expect from 3M.
Carrying case keeps earplugs clean and accessible for re-use
Push-to-fit style for easy and hygienic fit
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
Soft polymer is washable and reusable
Noise Reduction Rating (NRR)*: 25 dB. 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."