This ABS plastic pet door features the patented Double Wall Lexan® Ultra-Flex™ Flap for maximum energy efficiency. It has a spring loaded locking slide for easy one-handed use, and it's durable and low maintenance. The inner telescoping frame adapts to doors of 1" to 1 3/4" thickness. Easy to install. Limited lifetime warranty. Flap door measures 6 5/8" x 11 1/4".
Customer reviews for The Ideal Ultra-Flex™ Pet Door - Medium