High-alkaline detergent concentrate works on contact. Spray on, then rinse off. Eliminates the need for scrubbing, steam cleaning, or soaking. Removes hard water deposits, dirt, dust, scale, grease, oil, and lint. Use on air conditioning units, refrigerators, heat pumps, ice machines, heat exchangers, and ventilators. Promotes efficient heat transfer on coils, restoring optimal efficiency and reducing cooling expenses.