R-77-S Air Spray Gun Type of Feed: Suction Optional Nozzle:1.5,2.0,2.5,3.0mm R-77-S Air Spray GunType of Feed: SuctionOptional Nozzle:1.5,2.0,2.5,3.0mmAir Consumption:9.2-12.0cfm/minAir Pressure up capacity:50-70psi 3.5-5.0kg/cm2Volume of cup:1000ccAir Inlet:1/4inch nps