Get current pricing for Ozone Water Systems, Waterzone-20 Waterzone Ozone Injection System With 20 G/hr Output, Rates Of 2.9 Ppm At 30 Gpm - 5.9 Ppm At 15 Gpm, Max Flow Rate Of 30 Gpm, 15 Gallon Tank, And Wei . Product Category: Process Equipment, Sub Category: Water Treatment - Misc.: