3M E-A-R Classic Earplugs
3M E-A-R Classic Earplugs
3M Ear Classic 311-1101 corded NRR 29 ear plugs (1 box of 200 pair)
3M E-A-R Classic This moisture and flame resistant Classic earplug is comfortable and effective without exerting pressure on the ear canal. Fits a wide range of ears. *NRR-29 * NRR Is the Noise Reduction Rating in decibels(db). It is the average noise reduction obtained by a group of people wearing a specific hearing protector in a laboratory test. Sold 200 pair per box
3M E-A-R Classic Earplugs
3M Ear Classic 312-1201 uncorded NRR 29 ear plugs (1 box of 200 pair)
3M E-A-R Classic This moisture and flame resistant Classic earplug is comfortable and effective without exerting pressure on the ear canal. Fits a wide range of ears. *NRR-29 * NRR Is the Noise Reduction Rating in decibels(db). It is the average noise reduction obtained by a group of people wearing a specific hearing protector in a laboratory test. Sold per box of 200 pair