Helio Pressure ShowerUnlike gravity camp showers that need to be hung overhead and produce dismal water pressure, the award winning Helio portable pressurized shower and sprayer rests on the ground and provides the pressure you need to wash hair, do the dishes, rinse off gear, water your plants, or wash the dog. You can quickly and easily pressurize the 2. 9 gallon tank with a foot pump and with occasional pumps you can keep it fully pressurized for 5 7 minutes of strong,