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This insulated cat flap comes with a double-flap mechanism and provides a high level of protection for different climates. It can be installed in wood, uPVC, glass, and steel doors. It is essential to have a door that can be sealed tightly, particularly during cold winter months. It prevents warm air from being sucked away and cold air getting in which can save you money on energy costs. Wind Resistance By preventing cold air entering your home and keeping warm air in the home, a cat flap cover will keep it warmer. The best ones c