doggiedesires.com
PetSafe Extreme Weather Energy Efficient Pet Door, Unique 3 Flap System, White, for Dogs and Cats - Doggie Desires
ENERGY EFFICIENT: Unique three-flap system is rated 35 times more energy efficient than single flap doors CENTER INSULATED FLAP: Perfect for hot and cold climates; keeps the warm and cool air inside your home CONTROLLED ACCESS: Snap-on closing panel allows you to keep your pet from using the pet door; use a second closing panel (sold separately) on the outside for an additional layer of weather protection