Die-cast aluminium pump with anti-corrosion treatment B.Oxi with 4 semi-hydraulic diaphragm-pistons, high pressure 50 BAR, 137 lt/min, 550 RPM, 1" 3/8 male splined shaft front and rear, hydromechanical Bertolini PBO 1440 VD for spraying C odice: Original code: 91558 AT