The AV Stumpfl Drape Kit Valance Bar is a Monoblox system component intended for drape kit applications. It has a length of 569 cm, corresponding to 18 ft 8 in, and is identified by manufacturer article number BDX-XV569. The product is supplied as a valance bar for use with Monoblox systems. As a mechanical frame or system component, it is not a projection screen or surface and has no projection area, aspect ratio, or surface gain specification.