This uncorded foam earplug features a bell shape and super-soft, slow-recovery foam to effectively seal the earcanal and provide reliable hearing protection. – Poly bag keeps each pair of earplugs available or accessible for re-use. – Flanged end allows easy insertion and removal. – Noise Reduction Rating (NRR)* 33 dB. CSA Class AL. – Test compatible with 3M(TM) E-A-Rfit(TM) 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(TM).
- Bell shape allows easy insertion and removal.
- Noise Reduction Rating (NRR)* 33 dB. CSA Class AL.
- Test compatible with 3M E-A-Rfit Validation System.