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A professional cat flap fitter will set up your pet's door inside a door or the wall. The latter offers more security since burglars cannot get through it. It also prevents drafts and lowers your energy bills. The Tasker will mark where the cat flap is inside your door, and then drill the corners. They will also sand the edges of your frame to give it 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 detects the unique microchip number in the