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A skilled cat flap fitter will install your pet door into a door, or in the wall. The wall-mounted version is more secure, as an intruder cannot reach through. It also lowers energy costs and prevents draughts. The Tasker will mark the location where the cat flap is in your door, then cut the corners. They will also sand the edges of the frame to give it a smooth surface. Microchip cat flaps A microchip cat flap is a simple and effective way to keep your pet in your home. It reads the unique microchip number in your