Patented triple-flange design allows ear plug to fit most ear canal sizes. Exceptionally comfortable. Corded/Cordless: Corded; Shape: Flanged; Material(s): Premolded; Noise Reduction Rate (NRR): 25 dB.
Premolded triple-flange earplug design inserts easily. Washable and reusable. Test compatible with 3M E-A-Rfit validation system.