MSA 10061273 Economuff Earmuffs, 23/24 dB Noise Reduction, Black, Over the Head Band Position, ANSI S3.19-1974|CSA Class B MSA Earmuffs, Series: Economuff, 23/24 dB Noise Reduction Rating, Black, Over The Head Band Position, ANSI S3.19-1974|CSA Class B Specifications Met
