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This cat flap is insulated and comes with a double-flap mechanism and provides a high level of protection in various climates. It can be installed in wood, uPVC and glass doors. It is essential to have a door that seals tightly, especially during cold winter months. It stops warm air from being sucked out and cold air from entering which can save money on energy costs. Wind Resistance By preventing cold air from entering your home and keeping warm air inside the home, a cat flap cover keeps it warm. The best op