The 3M™ E-A-R™ UltraFit Plus™ corded earplugs features a proprietary, premolded, triple-flange design that fits comfortably in most earcanals. Quick and easy fitting with paddle-style stems. Benefits •Carrying case keeps earplugs clean and accessible for re-use. •Quick and easy fitting with paddle-style stems •Proprietary, premolded, triple-flange earplug design inserts easily. •Soft polymer is washable and reusable •Noise Reduction Rating (NRR)*: 26 dB. CSA Class AL