Delta Plus UltraSonic Earmuffs 29NRR Oakley Prizm ESS U-Rx and P-2B Rx

ESS U-Rx and P-2B Rx Inserts

Lens Width: 56 mm

flexible nasal pads and molded temples offer comfort and a secure fit for most face shapes and sizes

and are stamped for industrial and military safety compliance

Delta Plus UltraSonic Earmuffs 29NRR Oakley Prizm ESS U-Rx and P-2B RxDelta 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.