Rainbird Inline Regulator with Medium Flow, 1"/120-900 GPH/40 psi 1 in. 40 psi (2.8 bar) regulator for medium flow Can be installed above or below the ground Preset outlet pressures: 30 psi (2,0 Bars), 40 psi (2,8 Bars) 3/4 in. (20/27) female-threaded inlet and outlet