The 5.7 in drain tube is built for high-temperature waste oil drainage and fluid transfer. 20 Gal Waste Oil Drain Tank with Air-Operated Emptying, Adjustable Funnel, Wheels, and Built-In Toolbox. ADJUSTABLE HEIGHT WITH LEAK-RESISTANT DETAILS: The funnel height adjusts from 38 to 63 in to fit vehicles on lifts, racks, or standard garage floors.