K1 ear muffs, with headpiece, SNR 28 dB, black/green. Supplied = assembled. Product type = ear muffs. SNR value = 28 dB (A) Conforms to = EN 352-1. Average insulation level = 24 dB (A) Type of hearing protection = passive. Colour = black, green. Weight = 0.2 kg. SNR = 28 dB - used for medium noise levels. Easy length adjustment for the ideal wear position. A soft surface guarantees highest wearing comfort even for prolonged periods. Low weight and small ear muff volume. uvex K1 ear muffs feature easy length adjustment for a perfect wear position to provide optimum protection. The padded headpiece and the soft surface of the ear muff pads ensure optimum wearing comfort even for prolonged periods. The ear muffs were designed to be light in weight and have a small volume. Ear muffs made of ABS plastic. Steel/ABS suspension. Replaceable seal pads made of polyethylene. Foam inserts PVC/PU. SNR 28 dB, H = 35 dB, M = 24 dB, L = 17 dB. Colour: black/green. Weight 171 g. EN 352-1. We recommend