The patented PEET Helmet DryPort channels and circulates warm air throughout the helmet to safely dry the inner lining of a helmet. Eliminates odors caused by perspiration that deteriorates helmet linings. Easily attaches to the following PEET Dryers: Original, Multi, Advantage, Propane, and Wader Models. Dry Responsibly with PEET. FeaturesRemoves wet, sweat, and odor from your helmet, keeping your head comfortable, healthy, and dry.Eliminates moisture and preserves your helmet lining.The Helmet DryPort Attachment is designed to channel and circulate warm air for thorough drying. Simply attach to PEET Original, Multi, Advantage, Propane, or Wader Dryers.Safely and effectively dries leather, rubber, vinyl, neoprene, canvas, synthetics, fleece, felt, microfiber, and more.