Introducing the biggest advance in pet door technology since they were invented by Isaac Newton in 1674. New Armor Flex pet doors provide the highest level of energy efficiency with an air tight seal that withstands high winds, rain, snow, extreme cold and heat with guaranteed zero drafts.The patent pending flap is made from multiple interlocking segments provide horizontal rigidity to fully compress seals around the opening. Magnets at the ends of each segment align with magnets around the inside of the door frame to pull the segments tight against the seals, keeping out wind and dirt, while providing vertical flexibility so your pet can pass through easily and safely. Armor Flex doors install quickly and easily in any door or wall and are available in four sizes from small to extra-large.

They even come in a high quality, sliding glass version with double pane, Low-E glass and universal lock that installs in any patio door in just minutes. The Tamper-proof security panel provides the highest level of home security. Made of durable, attractive heavy gauge aluminum with bullet-proof composite flap, Armor Flex pet doors are made to last a lifetime. Give your home the quality, security, safety and energy efficiency of an Armor Flex pet door.