Model: PO-001 Paint tank holds-up to 2 1/4 gal, (gl) of paint For high production use. 2 1/4 gal. Heavy-duty Paint tank with air Regulator and ring-pull Safety Value. Specification: Material Feed: Pressure Tank: 2 1/4 gal. (gl) paint tank with 12' of air and fluid hoses. Air Inlet: 1/4 " NPS Fluid Inlet: 3/8 " NPS Compressor Required: 2 Hp