Quest non-vented filler panels are ideal for use in filling gaps in open frame racks and enclosures. They are meant to keep the dust out of an enclosure and to remove the gaps providing a professional finished appearance. These filler panels are also available in a vented style, and both types are available in 1u, 2u & 3u sizes. All come complete with a set of #12-24 mounting screws and has a Black powder coat micro finish to match rack and enclosure color.