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This insulated cat flap comes with a double-flap mechanism and offers a good level of protection in various climates. It can be installed in wood, uPVC and glass doors. It is important to have a door that seals well, especially in cold winter months. It stops warm air from being sucked out and cold air from getting in, saving money on energy costs. Wind Resistance Using a cat flap cover for winter can help keep your home warmer by blocking cold air from entering and allowing warm air within. Most of the best options are insu