Delta Plus UltraSonic Earmuffs 29NRR Oakley Prizm and are stamped for industrial

and are stamped for industrial and military safety compliance

The rimless lens has MCR Safety's Duramass scratch-resistant hard coating and wraps around for excellent side protection

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

As part of the ESS Cross-Series eyeshield platform

ESS U-Rx and P-2B Rx Inserts

Delta Plus UltraSonic Earmuffs 29NRR Oakley Prizm and are stamped for industrialDelta 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.