Pressure regulator used to maintain a constant, controlled reduced pressure water supply to the Edstrom small animal watering system. This pressure regulator can accurately maintain the required pressures over a wide range of flows that occur in animal watering systems...from very low flow to high flows. Adjustable output pressure range: 3/4 psi to 10 psi. Inlet connection: FGHT. Outlet connection: 3/16"barb, 3/8"barb, and 5/16" barb provided.