The Barker 25 Gallon 4-Wheeler Tote Along is available in 16, 25, 32, and 42 gallon sizes for compatibility with any size RV. Equipped with standard 3" valves to eliminate lifting to dump tanks. Constructed of blow-molded Polyethylene, zinc plated steel and aluminum. Double wheel, front swivel design for easy pulling and maneuvering. 4-Wheelers come complete with two bayonet hose adapters, clamps, 5ft piece of 3" sewer hose, 3" and 3/4" caps, full tank indicator and heavy-duty tow handle. Now Available with heavy-duty pneumatic wheels! Delivered with handle removed and front wheels turned 90 degrees.