1770 - ANSI Rated Ear Muffs for Hard Hat
- Specialized ear muff designed for our Ironwear 3961 cap style hard hat
- Made from ABS, a thermoplastic polymer
- Meets the ANSI 53.19 1974 standard
- Has an NRR (Noise reduction rating) of 24 dB.
- Packaged 1 pair (PR) per inner box, 20 pairs per carton (CTN)