X Series earmuffs are 3M’s latest advancement in hearing conservation. New technologies in comfort, design and protection all come together in this groundbreaking earmuff line. The X-Series earmuffs are 3M’s latest advancement in hearing conservation. New technologies in comfort, design and protection all come together in this groundbreaking earmuff line. The X3B features a newly designed spacer to help improve attenuation without the need for a much larger cup or double cup design. This lightweight earmuff is designed for protection against hig H-level industrial noise and other loud sounds. - The wire headband offers consistent pressure over prolonged wearing periods - Earcup pivot points tilt for optimum comfort and efficiency - Replaceable ear cushions and foam liners (hygiene kit HYX3) - Noise Reduction Rating (NRR)b 28 dB. CSA Class AL 7100123158 - 10078371671256
