Tripp Lite 21U Wall Mount Rack Enclosure Server Cabinet w/ Door and Side Panels rack - 21U | Dell USA
CANFORD FLIGHT CASE 21U rack, with castors, blue
all-rack-21u-600mm-deep-wall-mount-cabinet
21U V-Line Wall Mount Rack - 18" Depth - Kendall Howard
21U Equipment Server Rack with Glass / Perforated Door
Wall-mounted 19" ALANTEC rack cabinet, 21U, 600x500 mm, single section, glass door, side panels locked with a key, gray colour, for self-assembly » AICOM
Keyzone Server Rack SR21812 - 21U 780mm(W) x 1200mm(D)