The New WS400 with our patented LV Technology nozzle design combines a higher fluid delivery that facilitates a faster smoother application. The result of the WS400 is a higher transfer efficiency rate resulting in greater material savings. Superior Atomization Higher Transfer Efficiency= Compliance for the professional A Higher level of finishing and savings Gun only Cup must be purchased separately Nozzel: 1.3mm Atomizing PSI: 29 CFM: 12.57 Fluid Ml/min: 160 Pattern mm(inch): 365 (14.38) Weight g(lbs): 423 (0.93)