This is a perfect way to defend yourself from insects on a hot summer day. Narrow and very light aluminum frame is easily installed on the window exterior. Gauze – frame fastening is done by metal plates or magnets near the window frame. The gauze is easily applied and removed. Gauze – frame can be installed on any type of window. The gauze and frame colour can be selected. Stock colours for the frame are white and brown, grey for gauze.