Sanitation Equipment Visa Potty Model: 248 18 Liter with 2-Level Indicators Easy to use, replacable piston pump with two-directional rinse for enhanced bowl surface coverage. Extra deep bowl for greater comfort. Lid snaps closed for preventing vibration while moving. Easy to read tank waste level and fresh water level indicator Easy to clean detatchable spoout storage compartment. Holding tank vent for cleaner and easier discharge of waste.