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This double-flap cat flap that is insulated provides excellent protection in all climates. It can be used in wood, uPVC and glass doors. It is crucial to have a door that seals tightly, particularly during cold winter months. It keeps warm air from being sucked out and cold air from entering, saving money on energy costs. By preventing cold air from entering your home and keeping warm air inside, a cat flap cover keeps it warm. The majority of the top choices are insulat