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This insulated cat flap features a double-flap design and offers a good amount of protection in a variety of climates. It can be used in wood, uPVC and glass doors. It is essential to have a door that seals tightly, particularly during cold winter months. It helps prevent warm air from being sucked away and cold air getting in, saving you money on energy costs. Wind Resistance By blocking cold air from entering your home and allowing warm air inside the cat flap, it will keep it warmer. The best options come with