SureWerx Sellstrom S23406 HP431 Series Premium Ear Muff | Each

HP431 premium ear muff offers our highest NRR rating. Ideal for working in very high noise environment. The HP431 has been independently tested and certified to NRR 31 (ANSI S3.19) with a CSA Class A.

• The HP431 ear muff offers our highest NRR rating (31 dB)
• Ideal for work in very high noise environments
• Independently tested/certified to NRR 31 (ANSI S3.19)
• CSA Class A