AV Stumpfl Monoblox surface RP 4:3 is a rear-projection surface supplied without the corresponding frame or stand. The projection surface has a 4:3 aspect ratio and a net projection area of 610 × 457 cm (240 × 180 in). Its overall screen dimensions are 630 × 477 cm (248 × 188 in). The surface is identified by gain code R10 and is supplied as the projection surface article only. Manufacturer: AV Stumpfl.