Delta Plus UltraSonic Earmuffs 29NRR Pyramex I-Force Advanced anti-fog lens coating helps

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

and optical radiation (including 99

Instead of fumbling with parts or losing precious time

Low profile

All Crosshair replacement lenses include a black nosepiece

Delta Plus UltraSonic Earmuffs 29NRR Pyramex I-Force Advanced anti-fog lens coating helpsDelta 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.