Armor Flex Air Tight Pet Door for Door or Wall (Door Installation, Large)

New, Armor Flex premium aluminum pet doors are the best sealed, most secure, most energy efficient and best built pet doors on the market. These superior pet doors feature our new, patent pending, flap design made of interlocking segments that provide horizontal rigidity to fully compress seals on the sides of the flap, while providing vertical flexibility so your pet can easily and safely pass through the opening.