Mpow Noise Reduction Safety Ear Muffs, Shooters Hearing Protection Ear Muffs, Adjustable Shooting Ear Muffs, NRR 28dB Professional Ear Defenders for Shooting Hunting Season, with a Carrying Bag NRR SOUND TECHNOLOGY: Designed with 2 layers of professional noise dampening foam, high sealing solid cup and the unique double-shell, the ear muffs offer a 34dB SNR(Noise Reduction Rating) for noise cancelling. Good gift idea for Father’s Day! .
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