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> New wise 3M hard hat mounted earmuffs 1450
New wise 3M hard hat mounted earmuffs 1450
3M HARD HAT MOUNTED EARMUFFS 1450
Contoured ear cushion for improved fit and comfort.
Soft sealing cushions and molded foam ear cup inserts are easily replaceable.
Tested to ANSI S3.19-1974. NRR 23 dB.
**The NRR may overestimate the protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided
