Die-cast aluminium pump with anti-corrosion treatment B.Oxi with 3 semi-hydraulic diaphragm-piston, high pressure 50 BAR, 110 l/min, 550 RPM, male splined shaft 1" 3/8 front and rear, hydromechanical Bertolini PBO 1100 VD for spraying C odice: Original code: 91557 AT