In-Line Machine for economic small systems of Greenhouses. Irrigation flow up to 25 m3/hour. Activates 1 to 10 valves. Computerized operation – local or using PC. EC and pH control. 15 Irrigation Programs. 10 Fertilization Programs. 3 to 4 Venturi Injectors, 350 to 400 Liter/hour. Stainless Steel Booster Pump. Visual flow Meter for each Injector. Hydrometer and Control Filter.