Vaper 3 piece dual set up HVLP gravity feed spray gun kit.Set includes: One spray gun with a 1.4mm needle and nozzle set for lighter materials and a second spray gun with a 1.7mm needle and nozzle set for heavier materials. Locking Pressure regulator with gauge. 1000 ml aluminum paint cups. Spray pattern control knob on side of guns. Air Inlet: 1/4". Operating pressure: 15 - 45 P.S.I. Avg. Air consumption: 7.0 - 9.0 C.F.M.