The Sellstrom HPS428 Premium Cap Mounted Ear Muff (SUW-S23409) provides hearing protection with an NRR of 28 dB and mounts to slotted hard hats from most brands. Soft cup pads support comfort during extended wear, while swivel fork arms made from stainless steel wire provide durable support. Adjustable positioning lets the wearer reposition the muffs quickly. Independent testing and certification confirm NRR 28 under ANSI S3.19, and the muff carries a CSA Class A classification. A hard hat is not included.

• Cap-mounted design for slotted hard hats from most brands.
• Soft padding at the cups for extended-wear comfort.
• Stainless steel wire construction for the swivel fork arms.
• Positioning adjusts quickly and easily.
• Independently tested and certified: NRR 28 dB (ANSI S3.19); CSA Class A.
• Product number: S23409. Hard hat sold separately from this product.