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This double-flap cat flap that is insulated is a great protection for all climates. It is available in wood, uPVC, glass, and metal doors. A door that is tightly sealed is essential, especially in cold weather. It can prevent warm air from getting sucked out and cold air getting in and causing you to pay more energy costs. Wind Resistance Covering your cat's flap for winter will help keep your home warm by stopping cold air from getting in and keeping warm air inside. The majority of the top choices ar