Plastic Air Gravity Feed Spray Paint Gun 600ml Capacity. Capacity: 600ml. HVLP H827 Spray Gun Airbrush 600ml Cup 1.4 1.7 2.0mm Gravity Airbrush Nozzle. 1PC Air Gravity Spray Gun Pro Pneumatic Paint Gun 1.0/1.3/1.5/1.8mm Nozzle New.