Model: H-827 Operation Instruction Nozzle Size: 1.5mm, High Atomization With Low Air Pressure, Saves Paint And Protects The Environment, Good Design Of Construction. Better Than 75% Transfer Efficiency With Less Than 10% Psi Output Pressure, Complies With Environmental Regulations. Alternative Set Up Available For Dealing With All Today's Modern Two Pack Primers, Fillers And Top Coats, Nozzle And Needle In Stainless Steel To Allow Using With Water Based Paint. Technique Explain Model Description Nozzle Mm Consumption Cfm Feed Type Pattern Width Of Fan-Shaped Air Pressure Psi H-827-2v Hvlp Paint Spray Gun 1.4 7.5 Gravity 160mm 43 H-827-3v 1.7 8.8 Gravity 190mm 50 H-827-4v 2.0 10 Gravity 220mm 50.