3M™ Foam Earplugs 1100 BOX CSA Class A built for utilities

built for utilities

Material: PVC

For higher-risk sites

Moisture-Wicking: Draws moisture away from your skin to help keep feet dry

while the ergonomic

3M™ Foam Earplugs 1100 BOX CSA Class A built for utilitiesNoise Reduction Rating (NRR) of 29 dB, CSA Class AL Test compatible with 3M E A Rfit Validation System Compatible with the 3M E A Rfit Validation System Dispenser packaging option available for uncorded earplugs CSA Class AL One size fits most *U. S. EPA specifies the NRR as the measure of hearing protector noise reduction. However, 3M makes no warranties as to the suitability of the NRR for this purpose. 3M strongly recommends personal fit testing of