Our venturi fertilizer injector is a one-time molding with a reasonable structure - water fer 0.65-2.24m3/h, working pressure 0.07-0.95Mpa, fertilizer suction capacity 9-92L/h. The fertilizer injector's water inlet and outlet are male threaded - 3/4Inch NPT thread, easy to link. The pipe is equipped with a flow control valve for easy operation of the fertilizer suction volume. Using the venturi principle, it is convenient to suck in all kinds of liquid fertilizer and inject it into the irrigation pipe, so that the water and fertilizer can irrigate the crop evenly. Widely used for liquid fertilizer through the drip irrigation system. This irrigation kit includes a fertilizer injector, a water tube, a switch, and a filter. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:As Shown Material:Plastic Package Contents: 1 * Irrigation Venturi Fertilizer Injector Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.