3M Earring inserts 1100 with housing, 1 kit with 4 pairs (94-105 dB)

For high-level hearing protection and comfort that lasts all day, use earphone inserts 3Mtm 1100 with housing. Our soft and extremely comfortable ear inserts are made of soft and hypoallergenic polyurethane foam, slow re-expansion. Their conical shape adapts to most auditory ducts, moreover they are easy to use and to handle. Durable and comfortable, they are easy to shape and become even softer with body temperature. They are disposable, reduce noise levels up to 37 dB and can be used in 94 noise exposure range a 105 dB, moreover they are available in a practical four pairs package.