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This double-flap cat flap that is insulated offers good protection in different climates. It can be fitted in wood, uPVC, glass, and metal doors. A door that is tightly sealed is vital, especially in cold weather. It stops warm air from being sucked away and cold air from entering and causing 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 come with an electronic seal to prevent the draughts. The