Sperian® by Honeywell Howard Leight™ Thunder® EM2177-HL T1H Cap Mount Earmuff, 23 dB Noise Reduction, Red, Specifications Met: ANSI S3.19-1974

The Honeywell Howard Leight™ cap mounted earmuffs are a unified solution to work with North® hard hats and face shields. The Leightning L3H earmuff is specifically engineered to seamlessly integrate with full brim hard hats to provide an effective unit for workers head and hearing protection.