3M E-A-Rflex 28 features soft, E-A-Rform 28 foam tips that reacts to body temperature for enhanced comfort and fit.
? Pivoting tips for proper, comfortable fit that moves with the wearer for more consistent protection
? Replaceable foam tips: product number 320-1001
? Noise Reduction Rating (NRR)* 28 dB. CSA Class AL
*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.

3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757
3M 71361, 641WY 1/4" X 24", 1200 Mesh Diamond Cloth Belt, 7010534916 
