The ST MAX II PC PRO595 sprayers are the best choice for professionals looking for superior performance, control and extra comfort for daily use on residential jobs. Easy-Out™ Pump Filter - Filter removes simply with the cap for less mess - Easy Out filters from the inside out – reducing tip clogs Comfortable Inlet Suction - Allowing suction of unthinned paint out of up to 30 liter buckets - TiltBack™ Cart makes bucket changes fast and easy SmartControl™ 2.5 Graco’s advanced SmartControl delivers a consistent spray fan without pressure fluctuation at all spraying pressures. Our ST Max range offers the benefit of a digital display with pressure readout, job/lifetime gallon counter, and self-diagnostics. Digital display Easy read even in the sun. Several menus Provides: Actual working pressure - Liter counter - Error codes (self-diagnosis system) Smart pressure control 1 second learning time instantaneous response time. Adjusts itself to maintain even pressure even as tip wears. Del