Sellstrom S23409 Ear Muff, Cap Mount, 28 dB NRR
 
A pair of cap-mount earmuffs designed to attach to most brands of slotted hard hats for hearing protection in high-noise environments. These muffs provide a 28 dB Noise Reduction Rating (NRR) and meet ANSI S3.19 and CSA Class A requirements. Stainless steel wire swivel fork arms allow for adjustable positioning while soft cup pads facilitate comfort during extended shifts.
 
Designed to mount on to most brands of slotted hard hats
Cup pads are soft and comfortable - ideal for extended use
Strong stainless steel wire swivel fork arms ensure strength & durability
Easily adjustable for quick and convenient positioning
One of the highest NRR ratings for a cap mounted muff (28 db)
Independently tested/certified to NRR 28 (ANSI S3.19)