https://wifidb.science/wiki/Cat_Flap_Installers
Installing a cat flap on an entrance door lets your pet to come and go whenever it wants. Follow the steps below to find out how to mark the shape, cut it out using a jigsaw/hole saw and install your cat's flap. You can prevent wild animals, pests and stray cats from getting into your cat's area when it is equipped with a Manual Four-Way Lock. You can also store pots for your cat to hide in. Placement A cat flap is not only a way for your pet to go out more easily, but it can also keep unwanted animals such as cats and rodents out. Some m