The thoughtful 3-flap design is rated 3.5 times more energy efficient than most single flap doors. The center insulated flap is paw-fect for cold climates and hot climate and helps keep warm air and cool air inside your home where it belongs. The insulated flap color may vary yellow or grey. Designed with a snap-on closing panel to prevent your pet from using the door when you dont want her to. You can also purchase a separate outer closing panel for additional weather protection. Comes with detailed instructions a cutting template and hardware for installation. Suitable for pets up to 100 pounds.

PetSafe Extreme Weather Energy Efficient Pet Door Large
$57.76