The Workbench/Tank Stand is space-saving and multi-functional. The primed or powder coated tank is available in four sizes and while it stores your oil, it also provides a work surface for your area. Available in double or single wall. 3/8” ID soft copper lines, fittings and caps are included with all models. Mount the OMNI Waste Oil Heater on your oil storage workbench-heater stand. OWH-500 must be mounted over 350 or 500 gallon workbench-heater stand.