AV Stumpfl Decoframe 21:9 is a complete projection screen system comprising a fixed frame, stand and projection surface. The overall screen size is 336 × 151 cm, with a net projection area of 320 × 135 cm. The screen has a 21:9 aspect ratio and includes a middle strut. The elastic projection surface is attached to the frame using special plastic hooks to provide a level, crease-free image area with defined borders.