3M Classic (29dB)
Sweat and moisture resistant for use in wet environments One size fits most ears Cylindrical shape creates a tight, comfortable seal for noise reduction Noise Reduction Index (NRI)*: 29dB. CSA Class AL Assay compatible with 3M™ EA-Rfit Validation System Sold...
ISOtunes Bluetooth® Hearing Protector - PRO 2.0
Wireless Bluetooth 5.0® hearing protector The ISOTUNES PRO hearing protector gives you a noise reduction index (NRR) of 27dB. With its built-in microphone and Bluetooth® technology, the ISOtunes PRO lets you answer the phone or listen to music from your...