AV Stumpfl Monoblox surface AP 4:3 projection surface for front projection, with an R10 surface gain code. The overall screen size is 691 × 523 cm, while the printed projection area measures 671 × 503 cm. The screen has a 4:3 aspect ratio and a 330-inch diagonal. This product is supplied as the projection surface only; the compatible frame and stand are separate articles. Article number: BXF-AV691523A1.