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Cats love watching from windows. This is sometimes called cat television. It's a natural and enjoyable game that is usually hunter-like. Glass window inserts that have the cat flap can be fitted to existing windows or doors. They can also be incorporated to double-glazing. Easy to fit Cat flaps can be fitted in most types of doors and windows made of glass including single glazing, double glazing and french doors and patio doors, as well as bifold doors and leaded units. They are great for people who do no