The ST Max II 595 PC Pro airless sprayer is the ideal choice for the painting professional who needs the highest possible output from a small, portable unit. Supports Wide RAC spray tips to finish large surface area projects faster while the longer pump stroke extends time between repacks. Increased Productivity. Unmatched Reliability. Graco’s Midsize Electric airless sprayers make it easier to get more work done in a day with increased flow and production rates.