New, opened box. 4-Wheel Pneumatic Tote-Along's are designed to be a quiet, smooth rolling tote tank. These tank capacities will accommodate virtually all sizes of RV. Each "tow-on-the-ground" tank is equipped with a quality, 3-inch conventional waste valve for ease of use and dependable performance. No longer do you have to lift up your tote tank to empty it, simply open the 3" waste valve. Our pneumatic wheels have axle bearings, a grease fitting, 50 PSI 10" and 30 PSI 6" premium wheels. Available in 16, 25, 32 and 42 gallon capacities, these durable Tote-Alongs are constructed from blow-molded polyethylene, zinc-plated steel, and aluminum. The front-mounted double wheel-swivel has been engineered for easy maneuvering and is mounted on a heavy-duty, extra large mounting plate.Constructed of blow-molded polyethylene, zinc plated steel and aluminum.