Description
ELVEX HB-650 ULTRA SONIC EARMUFF Super full spectrum and low frequency attenuation extra wide ear cushions for highest comport soft padded headband with low force steel headband tolerates temperature extremes solid constructions. 29dB NRR from certified US laboratory ANSI S3.19-1974, 34 dB SNR as tested by certified European laboratory to CE EN-352-1. Protection Level 102-112 dB
