https://blogfreely.net/bathzeb....ra52/replacement-upv
Cats are fond of watching TV from windows. This is sometimes referred to as cat television. It's a natural and entertaining pursuit that is often hunter-like. You can install glass window inserts with cat flaps on existing doors or windows. They can also be made into double glazing. Easy to install Cat flaps can be affixed to a variety of glass such as french doors, patios, bifolds, and single-glazed windows. They are great for people who don't want to cut through their walls or doors to let their pet in throu