3M 340-4004 E-A-R UltraFit Premolded Corded Earplugs - Yellow (100 Pairs/Box)

Premolded, triple flange earplug s fit comfortably in a wide range of ear sizes No need to roll earplugs before fitting so the tips stay clean even if hands are dirty Soft polymer is washable and reusable, reducing both waste and costs Poly bag keeps each pair or earplugs available or accessible for re-use Noise reduction rating (NRR) 25 dB CSA Class AL Test compatible with 3M? E-A-Rfit? Validation System