Elvex HB-650 Ultrasonic Ear Muff, Black

Elvex UltraSonic, our newest high performance ear muffs with a Noise Reduction Rating of 29 dB.This earmuff has been designed to provide excellent full spectrum attenuation, as well as superb low frequency attenuation.Ultrasonic uses a fork style headband for even distribution of the pressure, andimproved balance required for extra deep ear cups'