Chemical resistant: This venturi fertiliser injector has excellent resistance to most chemicals, which is efficient for use, a compact differential pressure injector device for you Stable for use: this venturi fertiliser injectors made of high-quality POM plastic is not only well made, but also robust and for long-term use Pragmatic for use: with this fertiliser injector tube, it is pragmatic to use that it is suitable for agricultural irrigation system fertilisers and chemical injections Features: We have provided you with 3 optional venturi fertiliser injectors, which are separately suitable for 1/2 inch, 3/4 inch or 1 inch BSP inlet/outlet connections and meet your different requirements Sincere promise: We always do our best to provide our customers with the best service and shopping experience. If you have any questions about our products, please feel to contact us, Weight: 0.0881849048 pounds, Manufacturer: Haofy