Function: Utilizes the siphon principle to draw liquid and inject it into the irrigation pipeline for even water distribution. Easy to operate: Can be paired with a kit and easily connected to the main pipeline. Inlet and outlet feature external threaded connections for simple installation. Adjustable: Features a control valve in the Venturi fertilizer injector kit to adjust and regulate suction flow. Application: Suitable for agricultural irrigation systems and chemical dosing applications. Sizes available: 1/2 inch; 3/4 inch; 1 inch Color: Black Material: Plastic Package Contents: 3 x Applicators (1 x 1/2 inch + 1 x 3/4 inch + 1 x 1 inch) Package includes only the items listed above; other products are not included. Note: Due to light reflection and differences in display screens, the color in the image may vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.