Hot summers? Chilly winters? Don't 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! I