Delta Plus UltraSonic Earmuffs 29NRR Bullhead Mojarra Fog Free - Flush-mount surface

Fog Free - Flush-mount surface creates a Venturi effect to maximize airflow and prevent fog build up

Mirrored Copper (VLT 23%) - For flat to bright light

and the test was performed on ANSI S3

Fits Small - Medium Faces

Large wrap-around

Delta Plus UltraSonic Earmuffs 29NRR Bullhead Mojarra Fog Free - Flush-mount surfaceDelta 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.