Equipped with standard three-inch 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. Four-wheelers come complete with two bayonet hose adapters clamps five-foot piece of three-inch sewer hose three-inch and 3/4-inch 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.