PetSafe Extreme Weather Aluminum Pet Door for Dogs and Cats, X-Large

Our most energy-efficient pet door Give your dog or cat freedom to come and go without asking for help Blocks 3 times more energy than standard pet doors 3 insulated flaps with a magnetic seal to prevent drafts Closing panel included to control your pets access Built to last with durable metal frame and reinforced aluminum corners DIY installation into most exterior wood, paneled, PVC and metal doors 1 1/2 in - 2 in thick Extra large size for big dogs 220 lb