GREEN DEVIL Safety Helmet Mounted Ear Muffs Helmet Attachment Yellow Ear Muff NRR 27dYellow

【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 stai