Howard Leight Mach 1 Earmuffs feature dielectric construction that makes them safe for electrical environments. Lightweight headband style provides comfort for all-day wear. Economical and protective. 

• Model Number: 1010421

• NRR 18, 

• Red/Black.

• Mach™ 1 Noise Blocking Earmuffs, 18 NRR, Headband Packaged in a Polybag 

• Howard Leight^® by Honeywell Safety Products 

• Economical design delivers adequate protection at a low cost 

• Extremely lightweight construction provides all-day comfort 

• Dielectric construction suitable for all workplaces, especially electrical environments