3M™ PELTOR™ H540A Optime™ III Earmuff (SLC80 33dB, Class 5) upsell_isotunes-trilogy-foam-replacement-tips-5-pair-pack Stay aware during phone calls

Stay aware during phone calls by keeping hearing enhancement active

3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided

Ergonomic shape and low expansion pressure for comfortable fitting

Available in white and in hot orange

3M™ PELTOR™ H540A Optime™ III Earmuff (SLC80 33dB, Class 5) upsell_isotunes-trilogy-foam-replacement-tips-5-pair-pack Stay aware during phone callsThe 3M PELTOR H540A Optime III Earmuff has been developed for effective hearing protection in the most demanding noise environments where noise exposures are expected to reach as high as 105 dBA. Features unique double shell earcup design (two cups connected via foam inner layer) to boost the noise reduction throughout the full range of low and high frequencies Durable stainless steel headband resists bending and warping and distributes weight for a