Multi-Position Ear Muffs, 25 dB, QM, Black/Red
6 oz.Ear Muffs, Earmuff Style Multi-Position, Noise Reduction Rating 25 dB, Dielectric Yes, Cushion Material Foam, Compatible Manufacturer Model Number HK4, For Use With Hard Hats, Cup Color Black/Red, Series QM24plus, Earmuff Type Rigid, Standards CSA Class B, Replacement Pad Grainger Part Number 36G714, Band Color Black, Band Material Plastic, Features Economical Protection in an Ultra-Lightweight Design, Weight 10.