The E-A-R Classic SuperFit 30 orange “fitting ring" provides a guideline for proper fitting and quick visual compliance check..
Another innovation from 3M E-A-R, the Classic SuperFit 30 has a built-in visual check - the orange fitting ring. If the ring is visible after insertion, refitting is recommended for best hearing protection.
*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.
Poly bag keeps each pair of earplugs clean before use.
Conforms to the shape of the earcanal to help create a comfortable, snug noise barrier
Slow-recovery earplug foam is flame-resistant and moisture-resistant
Noise Reduction Rating (NRR)*: 30 dB. CSA Class AL.
Test compatible with 3M E-A-Rfit™ Validation System