https://click4r.com/posts/g/18....070606/fitting-cat-f
This cat flap that is insulated comes with a double-flap mechanism and offers a good level of protection for different climates. It can be fitted in wood, uPVC, glass, and metal doors. A door that is tightly sealed is crucial, particularly in colder weather. It keeps warm air from being sucked out and cold air from getting in which can save money on energy costs. Wind Resistance A cat flap cover for winter can help keep your home warmer by blocking cold air from entering and allowing warm air inside. The best ones