The Extra Large Ideal Draft Stopper Pet Door with Ultra Flex Flap features the patented dual pane Ultra-Flex Lexan 3-piece hard panel flap with an air gap in between and magnetic strips on both sides and bottom for maximum energy efficiency and wind resistance. In addition,the innovative triple-pane design helps eliminate the potential for trapping or pinching ears,paws and tails. Got your hands full? Our easy-to-use Spring loaded Lockout slide™ can be set up using just one hand!The Ideal Draft Stopper pet doors also feature the Ultra Flex flap and is an upgraded model from the Air-Seal Pet Door. It has eight additional magnets around the flap edges to ensure the best seal possible for your dog door. It will remain closed with winds of up to 35 miles per hour. Ideal Draft Stopper dog doors come with an aluminum frame. Dimensions: Flap Size: 10 1/4" x 15 3/4" Rough Cut: 12 1/4" x 17 1/8" For pets 36 to 90 Lbs. Features: Maximum energy efficiency For door mounting only Inner telescoping frame that adapts to doors of 1 1/4" to 1 3/4" thickness Spring loaded locking slide for one-handed use Low maintenance and durable Easy,secure installation Magnets on both sides and bottom maximum wind resistance
