The Paasche Model VL Set is for beginner, intermediate, or professional use. The VL is a siphon feed, double action, with internal mix airbrush. This set has all the components to convert the VL airbrush into three different sizes. No other airbrush can offer more versatility. Used by most of the T shirt artists in the U.S., this model can achieve spray patterns from fine detail to broader coverage handling light, medium, and heavy fluids. The VL 1 components will allow you to use light fluids and produce a spray pattern of 164 in. to 1 in. The VL 3 components will use medium fluids to produce a spray pattern of 132 in. to 1 14 in. The VL 5 components will use heavy fluids to produce a spray pattern of 116 in. to 1 12 in. Recommended air pressure is .5 to 1 cubic foot per minute CFM at 20 to 45 pounds depending on tip size and fluid being sprayed. Clean, dry air is essential for best results. This set includes the following VL 1 Double Action airbruh