venturi injection for irrigation

100% brand new and high quality Excellent chemical resistance to most of the chemicals. Highly efficient and compact differential pressure injection device. Economical and low cost option. Available in 1/2'' or 3/4'' BSP inlet/outlet connection. Inlet/outlet thread : 1/2'' or 3/4'' Color:Black Flow range: 1/2": 0.29-0.81m³/h 0.7-9.5bar 3/4":0.65-2.42m³/h 0.7-9.5bar;