Conserve Water.The vacuum produced by venturi tube imbibe fertilizer and chemical into moving water. Venturi tube is drived by water, namely they drive by the main irrigation tube pressure. Operating energy of these device can reduce the irrigation water load of water pipeline. Fertilizer injector tube is made of quality engineering POM plastic material, good workmanship, sturdy and Efficient and compact differential pressure injector device. With outstanding chemical resistance to most chemical. Applicable for agriculture irrigation system fertilizer and chemical injection. Multiple Sizes.Fertilizer injector tube is suitable for 1/2", 3/4" or 1" BSP inlet/outlet connector. Choose the right product for your size. Avoid situations where it is not available. Chemically Durable.With outstanding chemical resistance to most chemical. Applicable for agriculture irrigation system fertilizer and chemical injection., Weight: 0.0881849048 pounds, Manufacturer: Tnfeeon