Delta Plus - WELHB650 HB-650 Ultrasonic Ear Muff, Black

The Ultrasonic high performance ear muff delivers full spectrum attenuation as well as low frequency attenuation from the extra deep ear cups. Offers 29 NRR and 34 SNR! • Low force stainless steel suspension, tolerates extreme temperatures • Fork type headband distributes pressure evenly • Superb full spectrum attenuation• Padded headband • Wide and deep ear cups with soft padding and cushions• Tested to ANSI S3.19-1974. 27 NRR• 34 dB SNR to CE, EN-352.