Monoblox projection surface from AV Stumpfl’s monoblox series, designed for rear projection with a 4:3 aspect ratio and R10 surface gain. The overall screen size is 630 × 477 cm, with a usable projection area of 610 × 457 cm. This product is supplied as the projection surface only; the frame and stand are separate articles. The surface has a net weight of 13.05 kg and manufacturer article number BXF-RV630477A1SID.