3M E-A-R Ultrafit 20 Corded SNR 20 dB Earplugs (50 Pairs) UF-01-012The 3M E A R UltraFit Earplugs are reusable and designed for insertion into the ear canal to help reduce exposure to hazardous levels of noise up to 20 dB. Get comfortable, durable and reusable hearing protection with 3M E A R UltraFit Earplugs. A proven triple flange design made of a pliable pre moulded elastomeric polymer fits most ear canal sizes. They reduce noise levels by 20 dB and can be cleaned easily with soapy water and reused again and