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Cat and dog flaps that are installed in double-glazed units makes it simple for your pets to move around whenever they like. They are also great to keep your pet safe while you are away. It is possible to fit the cat flap onto an existing uPVC panel or double glazing glass sealed unit, however you will need a replacement piece with a hole that is pre-made. This can be done by a glazier equipped with the right equipment and training. Easy to install Having a cat flap in your home is a great option to allow your pet