The low position of the suction valve makes ProSpray 3.39 the most powerful WAGNER airless piston pump from the ProSpray family. On large construction sites, ProSpray 3.39 processes many materials such as water-thinnable and solvent-based enamels and varnishes, two-component coating materials, emulsions latex paints, release agents, oils, undercoats, primers and fillers. The ProSpray 3.39 filler spraypack is the perfect entry-level device for filling work. The WAGNER Airless piston pump is equipped with many innovative ProSpray features including the quick-change fluid section, the DigiTrac Control digital display and many more. The WAGNER Airless paint sprayer is an ideal companion on any terrain with the construction site-friendly cart with large tires.