water conditioning products, namely, aerators/air strippers, vertical filters, horizontal filters, gravity filters, package water treatment plants, activated carbon contactors, color adsorption contactors, deionizers, softeners, dealkalizers, degasifiers, condensate polishers, reverse osmosis units, nanofiltration units, ozone units, clarifiers, diatomaceous earth filters, nitrate reduction units

WATER SOFTENERS (ZEOLITE TYPE), ACTIVATED CARBON FILTERS, OIL REMOVAL FILTERS, VERTICAL PRESSURE FILTERS, DIATOMITE FILTERS, NEUTRALIZING FILTERS, GRAVITY SAND FILTERS, AND ION EXCHANGERS

CLARIFIERS, CONTACT TANKS FOR THE REMOVAL OF IRON AND MANGANESE FROM WATER, DEMINERALIZERS, DEAERATORS, AERATORS, DEGASIFIERS, DEALKALIZERS, CONTACT SEWAGE DISPOSAL PLANTS AND CHEMICAL FEEDER PUMPING UNITS, INCLUDING, AS COMPONENT PARTS THEREOF, GAS AND HYPOCHLORIDE CHLORINATION EQUIPMENT, CHEMICAL FEEDERS AND FEEDER ACCESSORIES