PowRyte Elite 4.2 Oz Composite Mini HVLP Gravity Feed Air Spray Gun - 0.8mm Nozzle Composite construction for lightweight and comfortable; HVLP (High Volume Low Pressure) technology provides a higher transfer of materials while reducing bounceback and overspray. Super-precision external mix cap for perfect pattern; Non-drip cup protects against paint loss and ensures less mess, saving you time and money Built-in 3 control knobs: Fluid control regulates amount of paint sprayed, Pattern control adjusts the fan pattern size, and air adjustment valve provides versatility to adjust air flow Filter ensures clean paint, helping you get the best end result; Suspension hook enables easy storage Nozzle size 0.0315 in. /0.8mm, Cup Capacity 4.2 oz., Working Pressure 20-30 PSI.air compressor needed