The AV Stumpfl Drape Kit Valance Bar is a frame or system component designed for use with the Monoblox series. It has a stated length of 508 cm, equivalent to 16 ft 8 in, and is identified by manufacturer article number BDX-XV508. The product is supplied as a single piece. It is a structural drape-kit component and does not constitute a projection screen, projection surface, or complete screen system.