The portable hand sink is ideal to place anywhere to help customers and employees maintain a healthy environment. The unit has a 24 gallon fresh water tank with a 25 gal tank for grey (dirty) water. Portable hand sink is self-contained and can be placed anywhere. Foot pump for hygienic "hands free" operation. Additional features include dual paper towel dispensers and two soap dispensers. This portable hand sink does not have a water heater.