https://sciencewiki.science/wi....ki/Through_Wall_Cat_
A professional cat flap fitter will install your pet door into a door, or in the wall. The latter offers more security because burglars are unable to get through it. It also reduces energy bills and helps to prevent draughts. The Tasker will mark the position of the cat flap inside your door, and then drill the corners. They will also smooth the edges of the frame for a smooth finish. Microchip cat flaps A microchip cat flap is a simple and effective method to keep your pet safe in your home. It reads the unique identification micr