Used Fluid DrainUsed Fluid Drain 18 gallon 3601 Designed as an affordable option for used fluid collection, model 3601 features all steel construction and a 14" diameter funnel. Height is adjustable from 45 to 72", and the unit maneuvers on two 3" ball bearing swivel casters and two 6" fixed axle wheels. Pressurized (self evacuating) used fluid collection equipment is common in many automotive series shops because the reservoirs can be evacuated quickly and cleanly