AV Stumpfl Monoblox R5 D projection surface for front projection in a 4:3 aspect ratio. The supplied surface has an overall size of 243 x 183 cm and a net projection area of 223 x 163 cm. It is part of the Monoblox series and is supplied as the projection surface only; the frame and stand are separate articles. The surface has a listed net weight of 2.0 kg and manufacturer article number BXF-AO243183A0D.