Fixed Chemical Injector, High Draw, Chemical Draw Up To 20%SPECIFICATIONSOrifice: 2.1 mmGPM: 3.0 to 5.0Rated PSI: 4500Inlet: 3/8" NPT-MOutlet: 3/8" NPT-MTemperature: 190° FHose Barb: 1/4"">