Water Harmonizer™ Rod model II For permanent installation and unlimited quantities of water harmonizing. 7.5” x 2” (190 x 50 mm), 1.9 lbs (850 grams) Fits over ½ inch to 2 inch pipes Multiple applications: Larger size requires more units and depends on the specific industrial application, flow rate, and materials flowing through the pipe other than water. These can be used on oils, alcohols, creams, molasses, and a whole host of different materials.