Armor Flex Dog Door, Extra Large Door Mount Electronic Fence Collar Batteries Flaps are tough high density

Flaps are tough high density vinyl with an extra wide flange sealing surface

a Professionally Engineered Pet Door

Plugs into main circuit board

This new motor assembly includes dc drive motor pre-mounted with vibration dampening grommets on pop-in mounting bracket

Its special high-strength coating is resistant to sunlight

Armor Flex Dog Door, Extra Large Door Mount Electronic Fence Collar Batteries Flaps are tough high densityArmor FlexAir Tight Pet Doors High Tech Pet brings you the latest innovation in pet doors. Our new, Armor Flex premium aluminum pet doors are the best sealed, most secure, most energy efficient and best built pet doors on the planet. 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