3M(TM) E-A-R(TM) Push-Ins(TM) with patented Grip Rings uncorded push-to-fit foam earplugs gently seal the earcanal to enhance fit. These push-to-fit, uncorded foam earplugs are easy to use and comfortable. (bul) Poly bag keeps each pair of earplugs available or accessible for re-use. (bul) Grip rings gently seal earcanal to enhance fit. (bul) Soft polyurethane foam tips (bul) Flexible stem makes insertion and removal easy and helps keep the tips clean when the wearer's hands are dirty. (bul) Noise Reduction Rating (NRR)*: 30 dB. CSA Class AL. *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation(TM).
