Specification of
Ear protector
3M Ultrafit earplugs 340-4002 with straps are earplugs to reduce noise, shrill, loud, and brittle
Safe and comfortable to wear
Proprietary, premolded, triple-flange earplug design so that it is easily inserted into the ear
Soft polymers are easy to wash and reuse
Noise Reduction Rating (NRR) *: 25 dB.
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