https://theflatearth.win/wiki/....Post:Choosing_Cat_Fl
Professional cat flap installers can install your pet's door in either a door or a wall. The wall-mounted version is more secure, since an intruder is unable to get through. It also helps prevent drafts and lowers the energy costs. The Tasker will mark the location of the cat flap inside your door and then drill the corners. They will also sand the edges of your frame for a smooth finish. Microchip cat flaps A microchip cat door is a simple and effective method to keep pets inside your home. It reads the unique microchip n