The 3M H6B/V PELTOR Optime 95 Cap Mount Ear Muffs are designed to be attached to hard hats for maximum hearing protection in industrial settings. With a Noise Reduction Rating (NRR) of 23, these ear muffs provide comfortable and effective noise attenuation. Made by 3M, a trusted brand in personal protective equipment, these ear muffs are durable and reliable for use in various industrial environments. The Peltor Optime 95 model ensures a snug and secure fit, making it an essential component for maintaining employee safety on job sites.