Delta Plus UltraSonic Earmuffs 29NRR Pyramex I-Force Lenses have H2X anti-fog coating

Lenses have H2X anti-fog coating and are treated to reduce scratching and static

All Crosshair replacement lenses include a black nosepiece

Instead of fumbling with parts or losing precious time

and 99% of harmful UV rays

Advanced anti-fog lens coating helps maintain clear view in humid or strenuous conditions

Delta Plus UltraSonic Earmuffs 29NRR Pyramex I-Force Lenses have H2X anti-fog coatingDelta Plus UltraSonic earmuff is our latest high performance muff with a stainless steel headband. This model has been designed to provide excellent full spectrum attenuation, as well as superb low frequency attenuation. UltraSonic uses a fork type headband for even distribution of pressure, and improved balance required for extra deep ear cups. Features: 29 dB NRR from certified US laboratory to ANSI S3. 19 1974 and 34 dB SNR tested to CE EN 352 1.