3M™ E-A-Rflex™ 28 banded hearing protector features soft, E-A-Rform™ foam tips that reacts to body temperature for enhanced comfort and fit. Benefits •Pivoting tips for proper, comfortable fit that moves with the wearer for more consistent protection. •Replacement Pod Product Code 320-1001 •Noise Reduction Rating (NRR)* 28 dB. CSA Class AL.