https://postheaven.net/trickpa....tch9/upvc-door-panel
This double-flap, insulated cat flap offers good protection in different climates. It can be fitted in wood, uPVC, glass, and metal doors. It is essential to have a door that can be sealed tightly, particularly during cold weather. It prevents warm air from being sucked out and cold air from getting in, saving money on energy costs. Wind Resistance Covering your cat's flap for winter will help to keep your home warm by preventing cold air from entering and allowing warm air within. Most of the best options are insulated a