https://perfectworld.wiki/wiki..../Why_Install_a_Doubl
A cat flap lets your pet to go in and out of the house whenever they want and reduces stress for you and your cat. Installing a cat flap could be a difficult task. The crucial factor in success is preparation and careful consideration. Get your tools and supplies. Then, mark the exact location of the flap on your wall or door. Location A cat flap lets your pet go outside to explore, eat, and play without having to open or shut the door every time. It also gives your cat access to their cat food and litter box, helping