HB650 Elvex UltraSonic Muff

HB650 Elvex UltraSonic Ear Muff Hearing Protection NRR Rating 29 dB Elvex UltraSonic earmuff is our newest high performance earmuff 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, and improved balance required for extra deep ear cups. Features: * 29 dB NRR from certified US laboratory ANSI S3.19-1974 * 34 dB SNR as tested by certified European laboratory to CE EN-352-1 * Superb full spectrum and low frequency attenuation * Extra wide ear cushions for highest comfort * Soft padded headband with low force * Steel headband tolerates temperature extremes * Solid construction * You get the ultimate performance and comfort with this muff