Excellent animation of Mazzei Venturi Injectors. Injecting liquid chemicals or fertilizers into a pressurized irrigation system is the most common application for Mazzei injectors in the agriculture market. Mazzei pioneered this simple-to-use and easy to install solution more than 40 years ago. High-efficiency Mazzei injectors deliver precise mixing and uniform distribution of material into the water stream. Learn more at Mazzei or contact CalWest Rain.