Wheel Mounted / Mobile: 4 x 3" CastersCollection Tank : Round, 18 Gallon Capacity, Translucent High Density Polethylene, 3/4" Bottom Discharge ValveCollection Funnel Diameter: 16.5 inches with filter screenAdjustable Pipe: Collection Height Adjustable from 37 Inches - 72 inchesGross Weight: 17.6lbsThe KTI74551XD is a 18 gallon round shaped oil drain. This item is used both as a mobile oil waste container and drain tank during oil changes. Drain tank is translucent to show volume available and includes a 3/4" discharge valve for draining. The collection funnel included a filter screen with a diameter is 16.5 inches. Adjustable working height is 37 inches (low) - 72 inches (high). Oil temperature range from -30C to 80C.