Hps428 Premium Cap Mounted Ear Muff

• 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 and 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)
• CSA Class A
• Hard hat not included