Ear Muffs Hard Hat Mounted 25dBA

Ear Muffs 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