Outstanding noise-blocking protection with the highest attenuation in multiple use plugs. Feature a 4-flange design, a patented cushion of air for superior comfort, and a firm stem and tapered… [Read more] shape to facilitate insertion and removal. Blue plug with or without red poly cord. NRR: 27 dB. 100 pair/box; 10 boxes/case.
Click here to learn more about Noise Reduction Ratings (NRR).
