3M PELTOR Optime 101 H7P3E Earmuffs NRR 24 Cap-Mount glowear 97% against oil and non-oil

97% against oil and non-oil aerosols

See our how to calculate NRR guide to match it to your noise level

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and general assembly

3M PELTOR Optime 101 H7P3E Earmuffs NRR 24 Cap-Mount glowear 97% against oil and non-oilEDITORIAL REVIEW 3M PELTOR Optime 101 H7P3E Earmuffs NRR 24 Cap Mount Assessed on the standards the product is actually certified to and on how the format fits a working shift, by Steven Eaton, WC Safety editor. Rating corrected. This listing previously stated NRR 27, which is the rating of the over the head H7A. 3M publishes NRR 24 for the H7P3E cap mount, confirmed against 3M and multiple distributors in August 2026. A hard hat slot fixes the cup