AV Stumpfl Monoblox projection surface for front projection with a 4:3 aspect ratio and R5 surface gain. The overall screen size is 366 × 274 cm, with a net projection area of 346 × 254 cm. This product is supplied as the projection surface only; the compatible frame and stand are separate articles. The surface has a gross and net weight of 4.3 kg and belongs to the Monoblox series.