PowRyte 20 Oz HVLP Gravity Feed Air Spray Gun with Regulator - 1.4mm Nozzle (Siphon/Pressure Feed) Easily changes from siphon to pressure feed and includes 2 mix caps( internal mix and external mix caps), so functions 3 ways for multiple applications: internal mix/pressure feed for applying latex, external mix/pressure feed for applying primer, external mix/siphon feed for applying lacquer, enamel, stain, urethane, or other finish type material Suspension hook enables easy storage Built-in 2 control knobs: Fluid control regulates amount of paint sprayed, and pattern control adjusts the fan pattern size Converts from a non-bleeder to bleeder to use with a tank-less compressor Nozzle size 0.055 in. /1.4mm, Cup Capacity 32 oz., Working Pressure 40-50 PSI.air compressor needed