The Formula suction spray gun produces a fine finish for most furniture and equipment painting and is also is perfect for customizing and restoring automobiles, trucks and motorcycles. This spray gun delivers an adjustable pattern of up to 9 inches and handles lacquer, enamel, stain, primer and urethane. The anti-drip canister helps minimize cleanup. Requires an air compressor that can deliver a minimum of 7.0 SCFM at 40 PSI. Pattern control adjusts fan size Fluid control regulates amount of paint sprayed External mix air cap included 1L anti-drip canister included Air inlet size1/4" NPS Base Information Recommended Hose Size3/8" Air consumption @ recommended pressureavg. 3.8 CFM @ 40 psi Air Spray Guns Fluid Deliverysiphon Paint Viscosityvery low-med Fan Pattern1.5-9.5 in Fluid Nozzle1.7mm