Our PM031 Airless sprayers are designed specifically for professional painting contractors. The state of the art electronic pressure control system allows ideal atomization under all conditions. The long-duty piston pump and direct gear drive are built for the long haul. The fully enclosed, The brushless motors are built for ample power and heavy duty cycles all day long. The quick-change pump filter is easy to access and clean. All aspects of the machines were carefully designed for convenience and speed of maintenance and cleaning . This all adds up to the excellent results which professionals demand.