TheOcta-Bubbler® from Jain Irrigation is a pressure compensating device with a 1/2-inch FPT inlet and 8-swivel-port 3/16-inch outlets. Octa-Bubblers deliver water to multiple locations. Built-in back flow prevention engineered for added protection. Optional port plugs are available for unused ports. Available flow rates are 2 GPH, 6 GPH and, 10 GPH; 20 GPH using a flow control device. Pressure compensation range is 20—60 PSI. Constructed using ABS plastic.