-. Brand : Howard Leight -. Feature : Unique dual-headband offers better positioning and breathability, and non-deforming outer headband minimizes pressure / Dielectric construction withstands use and abuse while protecting workers in electrical environments / Features patented Air Flow ControlTM technology for optimal attenuation across all frequencies and snap-in ear cushions for easy maintenance / Cap-mounted earmuffs include a pair of adapters for use with most popular hard hats / Tested to ANSI S3.19-1974 -. Label : Honeywell -. Manufacturer : Honeywell -. MPN : R3-341536791 -. NumberOfItems : 1 -. PartNumber : R3-341536791 -. ProductGroup : BISS -. ProductTypeName : LAB_SUPPLY -. Publisher : Honeywell -. Studio : Honeywell -. Title : Thunder Noise-Blocking Earmuffs - T3 Thunder, headband (4 Packs) - R3-1010970