Dog Door for Door 3 Flaps Aluminum Large Doggy Door

This aluminum dog door features a new insulation flap in addition to two standard flaps, helping to insulate against cold outdoor air and improve warmth performance. At the same time, magnetic strips on the double flaps and dust strips on the frame enhance sealing, effectively preventing dust and insects from getting through. A durable, energy-smart solution for giving your dog freedom while keeping your home comfortable and protected.