Protect your hearing with PK Safety's broad selection of ear plugs, ear muffs, and hearing bands. Proven both comfortable and effective in a wide variety of settings – from construction and factory work to gun ranges and home maintenance projects. Using ear protection should become a habit. Check on the NRR, or Noise Reduction Rating, an EPA approved method of testing the effectiveness of earplugs. Shop top hearing protection brands like 3M, E-A-R, Howard Leight, Moldex, and Pyramex.