https://telegra.ph/Cat-Flap-In....stallation---How-to-
This double-flap cat flap that is insulated provides excellent protection in all climates. It can be used in wood, uPVC and glass doors. A tightly sealing door is vital, especially in colder weather. It can prevent warm air from being sucked out 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. The majority of the top options are insulated and include a magnetic