Endura Flap Pet Door for Thick Walls

Pet door for walls installs in walls 7 3/4" - 15 3/4" thick (walls 2" - 7 3/4" thick see the Endura Flap Dog Doors for Walls) Magnets on all sides of the flap for improved wind resistance Flaps resist 50 mph winds and endure -40℉ temperatures Option of a single or double flap to match your insulation requirements Built with durable, weathertight aluminum frames  The Endura Flap Dog Door for Thick Walls installs in walls 7 3/4" - 15 3/4" thick with the provided tunnel materials. If your wall is 2" - 7 3/4" thick you will want to order the Endura Flap E2 Dog Doors for Walls (2022 Design). The Endura Flap is the best pet door for extreme weather, manufactured with insulating and environmentally friendly polyolefin polymer flap material to save energy and keep your home cozy. With the ability to combat 50 mph winds and -40℉ temperatures, you'll no longer have to worry about energy loss or temperature fluctuation inside your home. If you live in an area with a severe climate, we recomme