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This double-flap cat flap that is insulated offers good protection in different climates. It can be installed in wood, uPVC, glass, and metal doors. It is essential to have a door that is sealed tightly, particularly during cold weather. It can prevent 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 from entering your home and keeping warm air inside the cat flap, it will keep it warmer. Most of the best options are insulated and include a magnetic seal to stop d