These 12" extensions are perfect for anyone drying boots that are taller than 16 inches or waders. These are sold as a pair. Two pairs are needed for chest waders, and one pair is needed for tall boots or hip waders. FROM THE MANUFACTURER PEET AirChamber Extensions: Two pairs of 12-inch AirChamber Extensions can transform your Original, Propane, Multi, or Advantage PEET Dryer into a Wader PEET. Use one pair of extensions for drying hip boots. 2 Year Warranty.5-year warranty: Our product are designed to last and we’re confident that your PEET Dryer will exceed expectations for years to come; Register your product within 10 days of purchase. All footwear, all materials: Safely and effectively dries leather, rubber, vinyl, neoprene, canvas, synthetics, fleece, felt, microfiber, and more. Subtle yet effective: The Boot Extension Attachment is designed to channel and circulate warm air for thorough drying. Simply attach to PEET Original, Wader, Multi, Advantage, or Propane Dryers. Save your gear: Eliminates moisture and preserves your gear. Dry and deodorize: Removes wet, sweat, and cold from your tall boots and waders (chest waders require two sets of extensions), keeping your feet comfortable, healthy, and dry. Sold in pairs.Date First Available: February 17, 2004. Best Sellers Rank: #231,861 in Clothing, Shoes & Jewelry. Customer Reviews: 4.7 out of 5 stars 366 ratings 4.7 out of 5 stars. : B001LQZB9W. Part Number: ?H2-B. Manufacturer: ?PEET Dryer. Suggested Users: ?mens. Warranty Description: ?2 year. Brand Name: ?PEET. Item Weight: ?0.7 Pounds. Item Dimensions LxWxH: ?5 x 2.75 x 11.75 inches. Package Weight: ?0.34 Kilograms. Item Package Dimensions L x W x H: ?12.28 x 5 x 2.76 inches.