The Powermate Px 1 qt. Multi-purpose spray gun features a 1/4 in. air inlet that can handle air pressure up to 50 psi. This product easily converts from siphon to pressure feed with the push of a button (No tools required). Perfect for spraying low, medium and high viscosity materials such as latex, stain and primer. Easy-to-identify laser etched knobs for air, fluid & pattern controls shows user how to control the pattern – laser etching will not rub off Functions two ways for multiple applications: external mix/pressure feed – for applying latex & primer or external mix/siphon feed – for applying thin solvent based materials Easily converts from siphon to pressure feed with the push of A button (No tools required) Perfect for spraying low, medium and high viscosity materials such as latex, stain and primer Air inlet: 1/4 In. NPS Air requirements: 5.0 – 8.0 SCFM Operating pressure: 50 - 60 PSI Cup capacity: 1 qt Nozzle size: 1.8 mm Stainless steel fluid needle allows spraying of water and solvent based materials