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This double-flap cat flap that is insulated provides excellent protection in all climates. It can be installed in wood, uPVC, glass, and steel doors. A door that is tightly sealed is essential, especially in cold weather. It keeps warm air from being sucked away and cold air from getting in and causing energy costs. Wind Resistance A cat flap cover for winter will help keep your home warm by stopping cold air from entering and keeping warm air within. The majority of the top choices are insulated and have