Foam Ear Plugs 33db 5 Pairs

disposable earplugs made of slowly expanding soft polyurethane foam are characterized by good hearing protection against excessive noise at the workplace ease of insertion and high comfort of work.yt-7451 earplugs have:snr attenuation value of 38 dbyt-7451 earplugs meet the requirements of the en352-2:2002 standardfor hearing protection in high-noise environments. Roll the plug in your hands to form a cylinder then insert it deep into your ear. Hold the inserted plug in your ear canal for approximately 30 seconds until it is completely expanded. Use your fingers or a mirror to check that the plug is fully inserted. Only the very tip of the plug should be visible or felt.**