Retractable horizontal fly screen door system, a stylish and functional solution. Insect screen is housed within a spring-loaded cassette with a unique speed reducing system that allows a smooth and controlled rewind. Brushes within the top and bottom guides help create a fly proof seal between the mesh and the frame. Roller locks into place with a magnetic strip within the profile. Discreet system with no mesh visible when screen is retracted. No need to re-move for storage during winter months. Fits directly onto existing door frame or within the door reveal to protect the entire door opening. Fits all kinds of frames, wood, aluminium and Pvc.