Hot summers? Chilly winters? Dont worry, we have the perfect pet door for you. The PetSafe Extreme Weather Aluminum Pet Door lets your dog in, but not the weather. As our most energy-efficient door, the 3 insulating pet flaps block 3 times more thermal energy than standard pet doors. The included adjustable, flexible flaps have a magnetic seal to prevent drafts. Give your cat or dog freedom to go in and out without asking for your help to open the door perfect for potty breaks or play time! Installing your new pet door is an easy, DIY project, and the door fits most exterior wood, paneled, PVC and metal doors. Your pet deserves the best. Trust PetSafe to keep your pet healthy, safe and happy.