Monoblox rear-projection surface from AV Stumpfl’s monoblox series, designed for a 4:3 aspect ratio. The surface has an overall size of 406 x 310 cm and a net projection area of 386 x 290 cm. It uses the R10 surface specification and is supplied as the projection surface only; the corresponding frame and stand are separate articles. The product weighs 5.5 kg and is identified by article number BXF-RV406310A1S.