Delta Plus UltraSonic Earmuffs 29NRR Oakley Prizm Smoke Gray and Hi-Def Yellow

Smoke Gray and Hi-Def Yellow - a tough protective case

making it possible to integrate additional lens colors or replace damaged lenses

Microfiber Drawstring Pouch

the CDI's extra-thick polycarbonate lenses can be easily interchanged for quick adaptation to your environment

Lens Width: 56 mm

Delta Plus UltraSonic Earmuffs 29NRR Oakley Prizm Smoke Gray and Hi-Def YellowDelta 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.