3M Ultra Fit 340-4004

FEATURES

– 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 3MTM E-A-RfitTM Validation System