Earflex Foam Tips Nrr 25Db

Unique Hinged Band Fits A Wide Range Of Head Sizes, And Can Be Worn In Three Different Positions Excellent Attenuation In All Three Wearing Positions: Over-The-Head, Under-The-Chin, And Behind-The-Neck.Pivoting, Hinged Band Provides Adjustable Positions For A More Comfortable Fit And Seal.Noise Reduction Rating (Nrr)* 25 Db (In All Three Positions). Csa Class Al *The Nrr May Overestimate The Hearing Protection Provided During Typical Use. 3M Recommends Reducing The Nrr By 50% For Estimating The Amount Of Noise Reduction Provided.