1.Venturi-style injector and irrigation system installation, the use of small control valve be closed to form a control valve before and after the pressure difference, can make your dissolved in the water into the venturi-style manure into the inflow Water supply pipeline. 2.using the vacuum suction generated by the flow through the Venturi tube, the solution from the open bucket evenly inhaled into the pipe system fertilization. Make your operation more convenient and simple.3.the scope of the product: greenhouse and other small area fertilization. Features: and High Quality.Excellent chemical resistance to most of the chemicals. Highly efficient and compact differential pressure device.Irrigation water tube pipe with flow control switch & filter. Come with a Venturi with 25mm Inlet/outlet thread Venturi main features: Siphon principle to facilitate the inhalation of forms of fertilizers and irrigation pipes into the irrigation, water and irrigation of Venturi main body of application: According to crop and irrigated area selection of the corresponding specifications of , too large or too small are not conducive to effective fertilization, If you can not determine, select the relevant specifications of the small and then with the package with the main pipeline installed in parallel with the control valve to adjust the amount of water to achieve the purpose of ; if you determine the is too small can adjust the amount of water through the valve to achieve the purpose of fertilization by extending the time . Applications: and chemical through drip and sprinkler irrigation systems. 1/2: Flow range: 0.29-0.81m3 / h Self-absorption range: 3-37L / H Working pressure: 0.7-9.5bar Color: black + parent Material: ABS Package Includes: 1 Pcs Venturi tube 1 Pcs Irrigation Water Hose 1 Pcs Flow Control Switch 1 Pcs Me