Msa Safety 10034487

Earmuffs, Earmuff Style Hard Hat-Mounted, Noise Reduction Rating 25 dB, Dielectric Yes, Cushion Material Vinyl, Compatible Manufacturer Model Number 10003360, For Use With Non-Slotted Full Brim Hats, Cup Color Gray, Series Soprano(TM), Earmuff Type Rigid, Standards ANSI S3.19-1974, CSA Class A, Band Color Black, Band Material Polyester, Features ANSI/ISEA Z89.1 Class Rating of a Drilled Helmet is Class C, Requires Drilling Into the Helmet to Mount the Muffs, Weight 0.8 lb