Retractable Fly Screen (Cat Fly Screen) Aluminum Inward-Opening Fly Screen (Cat Fly Screen) is a fly screen model that can be applied to windows and doors that can be opened like windows thanks to their hinges. Our hinged door screen is stylish and harmonious with 10 different color options, allowing you to choose the color that suits your home and window. With 2 different profile thicknesses, you can choose either normal thickness or thin cut. This system, which can be adapted for all windows, can be applied to all your doors and windows between 41-180 cm width and 21-260 cm height.