Matsusada Precision product 19-inch and 23-inch wide cabinet RAC series - RAC series is a small footprint, Heavy-duty rack for storing EIA-compatible rack-mount power supplies.
*SIZE: Width 19.7”, Depth 21.7”, Height 45.5”(with casters), also option 6U, 9U, 12U, 15U,18U are available. RIVECO portable rolling network rack
RIVECO 22U Open Frame Server Rack with Wheels- Heavy Duty 4 Post Quick Assembly 19-inch, Stereo Rack Rolling Network Shelf Black
Rack Space Adapters EIA 19 IN to 23 IN - 1 RU
19/23 inch Rack, RAC series
QiaoYoubang 1U Universal Rack Mount Rails- 4-Post Server Rack Shelf Rail 16-29 Inches Adjustable Depth for APC HP IBM Dell Compaq
Attaches to a 23 in. rack in order to mount 19 in. rack equipment into it Attaches to rack's vertical mounting rails Includes mounting hardware Made
TRIPP LITE 19 Rack Enclosure Server Cabinet Mounting Adapter Kit in 23 (SR2319ADAPT)
19-inch rack - Wikipedia
19/23 inch Rack, RAC series
Rack Adapter Kit - 19 to 23 in - 3.5 in H - 2 rack units - - black
Rack Space Adapters EIA 19 Inch to 23 Inch