High Tech Armor Flex Patio Pet Door

Energy-efficient patio pet door with a flexible flap Magnetic airtight seal can withstand high winds while being easy for dogs to use  Aluminum-framed panel with adjustable height ranges for easy installation  Comes with a universal lock that can mate with any sliding door lock  Available in sizes small to extra large  The Armor Flex Patio Pet Doors is a secure and energy-efficient pet door for sliding glass doors. These high-quality units are constructed with a heavy-duty, all-aluminum frame and double-pane, Low-E glass that keeps the heat out of your home. It also comes with all stainless steel hardware and a universal lock that mates with virtually any sliding glass door for maximum security. These pet door inserts are available in regular and extra tall heights and arrive at your door with the pet door already installed. The Armor Flex pet flap provides the highest level of security and pet safety with its air-tight, extreme weather seal that protects against extreme weather co