1100 Threadless Polyurethane 25 Pairs of Ear Clicks

3m 1100 stringless polyurethane 25 pairs of ear clicks. Each pair is in a separate bag. Features Soft, hypo-allergenic polyurethane foams provide maximum comfort to the user Smooth, dirt-resistant surface Conical design is suitable for most earplugs Also available in stringless model (3m 1100) Sound reduction level: 37db (snr)