XCSOURCE Professional New HVLP Spray Gun-Auto Paint Primer-Metal Flake With Air Regulator Gravity Feed Spray Gun BI014 Non-drip cup protects against paint loss and ensures less mess, saving you time and money. Filter adjustment knob provides versatility, allowing you to adjust air flow for any type of project. Spray pattern adjustment knob allows precision to complete a variety of tasks. Air regulator with gauge is user-friendly and allows you to control air flow. An outstanding value in a professional-quality HVLP set to get you professional spraying and painting results.