The AV Stumpfl Monoblox rear-projection surface is designed for 21:9 presentations. It has an overall size of 447 x 200 cm and a net projection area of 427 x 180 cm. The surface uses the R10 specification and is supplied without a frame or stand, which are available as separate articles. The net weight is 4.5 kg, and the manufacturer article number is BXF-RU447200A1D.