HP 253214R-B25 - Filler panels (Graphite Black) - 5U height - For Rack 10000 series - For covering the empty slots on the front of the rack cabinet - Package of 10 panels Retail
HP 120679-B21 - Extension kit (Opal White) - For Rack 9142 - Provides 10cm (3.9in) of extra space at the back of the cabinet - Includes one extension collar Retail
HP 253449-B21 - Monitor/utility shelf kit (Graphite Black) - 1U height fixed general purpose shelf - 48.3cm (19in) wide, 74cm (29.1in) deep, 68.1Kg (150lb) capacity - Includes shelf, installation hardware, and bezels for 14-inch, 15-inch, and 17-inch Retail