WaterPORT self-pressurizing water tank with a 4.0-gallon capacity, suitable for showering during camping, and can be mounted on the bumper or truck bed for water storage in trucks and off-road vehicles. Practical Off-Road Shower - The WaterPORT daily tank mounts to your hitch, bumper, roof rack, or truck bed rail. The 4-gallon WaterPORT self-pressurizing tank fills quickly and efficiently with a garden hose. You can repressurize the system at any time with the built-in pump cap. The large lid opening fills the tank completely in 60 seconds. Stay refreshed by adding ice to the water through the large fill cap. Generous spray time thanks to the 8-foot hose and high-pressure, multi-pattern spray nozzle that flows for up to 15 minutes. The WaterPORT tank can be transported anywhere thanks to the convenient 2-inch hitch mount. The compact tank measures 9" (H) x 8" (W) x 25" (L). Keep the interior of your truck or car clean by washing your body and gear with this overland shower and rinse kit for after surfing, beach trips, camping, dirt biking, mudding, fishing, hiking, hunting, off-roading, construction, or anything else that requires a rinse.