Air cooling apparatus; water heating equipment, namely, heat pumps, solar heaters, and gas heaters; water filter system for swimming pools; sanitary appliances and equipment in the nature of cleaning accessories for use in swimming pools; water cooling towers; lights, namely, lights for swimming pools; water softening apparatus and installations; hand showers; hand-held showers; plumbing fittings, namely, shower control valves; plumbing fixtures, namely, shower sprayers; shower control fittings, namely, escutcheons; shower doors; shower enclosures; shower faucet extensions; shower heads; shower panels; shower platforms; shower stands; showers; water purifying units, for potable water for swimming pools and spas; water softening units; water treatment equipment, namely, cartridge filtration units; water treatment equipment, namely, chemical sterilization units; water treatment equipment, namely, reverse osmosis filtration units; water treatment equipment, namely, ultraviolet sterilization units; water filtering units for swimming pools and spas use; water filters; water jets for use in swimming pools and spas; filtering units for swimming pools and spas; filters, heaters and pumps sold in combination for use in hot tubs; filters, heaters and pumps sold in combination for use in swimming pools; filters, heaters and pumps sold in combination for use in swimming pools and spas; coolant recovery systems, comprising swimming pool equipment, namely, pool filter, pool pump, pool ladder, pool light, pool cleaner, pool chlorinator, pool heater, and pool skimmer diverter; pool skimmer diverter; spas in the nature of heated pools; swimming pool chlorinating apparatus; swimming pool drain covers; swimming pool skimmer flow diverting weir for increasing the amount of debris drawn into the skimmer; swimming pool water cleaning and filtering units; drain structures for use in spas, steam rooms and baths