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This insulated cat flap comes with a double-flap mechanism and provides a high level of protection in a variety of climates. It can be installed in wood, uPVC and glass doors. A door that is tightly sealed is essential, especially in colder weather. It stops warm air from being sucked away and cold air from getting in and causing energy costs. Wind Resistance By blocking cold air from entering your home and keeping warm air in, a cat flap cover will keep it warmer. The best options come wi