3M™ E-A-Rsoft™ SuperFit™ 33 earplugs seal the earcanal with soft, slow-recovery foam for excellent noise reduction and comfort. Orange fitting ring provides a guideline for proper fitting and visual compliance check.
The soft, pliable foam on this uncorded foam earplug features an orange fitting ring that provides a guideline for proper fitting. Earplugs are easy to roll down and insert, then expand within the earcanal for a comfortable, secure fit. - Poly bag keeps each pair of earplugs clean before use. - Regular size fits most earcanals. - Noise Reduction Rating (NRR)* 33 dB. CSA Class AL. - Test compatible with 3M™ E-A-Rfit™ Validation System. *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation™.