AV Stumpfl Clip surface FP 4:3 447x340 cm, R10 is a front-projection surface supplied without its frame and stand. The clip surface has an overall size of 447 x 340 cm and a net projection area of 427 x 320 cm, with a 4:3 aspect ratio and 210-inch diagonal. Its surface gain is designated R10. The projection surface weighs 6.5 kg and is identified by article number BCF-AV447340A1. The corresponding complete screen, frame and stand set is listed separately as BMS-AV447/R10.