Applications · Commercial grade one with no moving parts. · It works by suction and will draw liquid fertilizer out of almost any container you provide. · Can be plumbed on a bypass for less restriction (the preferred method), or directly into a main water line. · All sizes have Male Pipe threads on the inlet and outlet, which are easily adapted to hose threads. Advantage · Select the appropriate specification of fertilizer Injector depend on the crop and irrigation area. Too big or too small maybe do nothing. · If in doubt always choose a smaller size, put it on a bypass assembly which allows you to adjust the flow through the venturi injector and does not restricthe flow as much. · Available in 1/2-2" BSP and NPT Male thread.