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.