Hard Hat Mounted Ear Muffs Helmet Attachable Hearing Protection Safety Earmuff Professional Hard Hat Attachment Ear muff for Construction or Manufacturing NRR 27dB Noise Protection(safety-yellow)

【27db Noise Reduction Rating】：GREENDEVIL hard hat attachment earmuff offers a SNR 31dB / NRR 27dB (Noise Reduction Rating) for our hearing protection.Providing existing protective gear with a superior level of hearing protection to help complete comprehensive above-the-neck safety systems.Help reduce exposure to hazardous levels of noise，ideal for protection against noise arising from a wide range of applications in the workplace.. 【Comfortable And Easy To Install】:Ergonomic headband with soft padding reduces the pressure on your head for superior comfort. Generous space inside the ear cups ensure breathability meanwhile soft imitation leather provides a tight sound-proof seal .The cap-mount design allows for easy use with hard hats with accessory slots.Insert the earmuff mounting adapter into the sockets on both sides of the helmet at an OBLIQUE ANGLE until it clicks into place.. 【Fits Most】:Compatible with most Safety helmets (NOT for Full Brim Hard Hats).Designed with retractable stainless steel at the cap-mount Earmuffs, the ear muffs can be adjusted to fit all sizes.Earcup pivot points tilt for a fit that is customized to each person who wears the earmuffs.. 【Examples Of Typical Applications】:General industry, manufacturing, repair and maintenance, construction, oil and gas, forestry, shipbuilding, and mining. confined space, sanding/grinding, power tool use, occupations with non-impulse noise, demolition, assembly, and more,like chipping, chiseling, drilling, furnace operations, grinding, heavy equipment operations, machining, pouring/casting, power fastening, riveting, sanding, sawing, and welding.. 【Safety & Compliance】： GREENDEVIL hard hat attachment ear muffs are approved by ANSI S3.19-1974 and EN352-3 and meets all applicable OSHA regulations.If you have any questions, welcome to reach us，we will make things right, FAST!