Features and Benefits:Max pressure is 116 psi (8 bar). Includes 6.5-gallon tank, sight gauge, and 5� clear dispensing hose. The metered version comes with the 3330-159 DR Control handle. ;These self-contained portable air pressurized units are designed for easy dispense any fresh oil with no need for any pumping device. It is ideal for small shops that have a need for a self-contained totally mobile unit. To operate, you pressurize the tank with compressed air, and you are ready to dispense.