11 Apparatus for lighting, [ heating, steam generating, cooking, refrigerating, drying, ventilating, ] water supply and sanitary purposes of metal and plastic for toilets, bathrooms and kitchens, namely, valves, thermostatic valves, shower control valves, metered valves, couplers, bibbs, [ radiant heaters, bath water purifying apparatus for household purposes, flow restrictors for reverse osmosis water purification units, and hot water tanks, ] faucets, taps, stoppers, mixers for regulating flow, distribution and temperature of water, shower heads, sets comprising shower heads and parts and fixtures therefor; [ water treatment equipment, namely, cartridge filtration units, chemical sterilization units, bidets, toilet installations, urinals, toilet seats; ] preassembled installation units for showers comprising shower heads, shower riser rails, and structural parts and fixtures therefor all sold as a unit; preassembled shower sets comprising handheld shower heads and parts and fixtures therefor all sold as a unit; shower devices, namely, [ shower mixers, control valves, ] shower lights; [ bathroom ceiling lights; ] components for sanitary installations, in particular, assembly elements for sanitary units, namely, pipes being part of sanitary facilities; [ connecting pillars for sanitary units, namely, vertical support columns made of metal, ceramic, glass, plastic, wood, rock or stone for supporting for supplying a sanitary installation and for housing a water pipe for supplying the sanitary installation with water, sold as a unit carrying plumbing fixtures in the nature of bathrooms, bathtubs and basins of plastic, ceramic and metal for sanitary purposes, including tubs and basins with swirl nozzles, and aerating nozzles, nozzle fittings and pumps for tubs with swirl nozzles; bathtub components, namely, blowing apparatus with heating mechanisms for heating the blast air, for aerating bathing water in tubs; bathtub components, namely, heating mechanisms and filters for bathing water; steam bath installations and accessories therefor, namely, steam valves, accumulators, bathtub jets, ] hydro massage bath apparatuses; [ steam generators; electric vaporization apparatuses for producing steam; water softening apparatuses; lighting fixtures for bath tubs; devices for steam baths and showers, namely, shower heads, bath tub jets; mobile compact whirlpool apparatuses for fitting in bathtubs, comprised primarily of motors, pumps and nozzles; bathtubs with double wall construction for sanitary purposes; shower cubicles of plastic, including integrated shower fittings and shower installations, steam bath installations and accessories therefor, namely, cubicles, walls for cubicles, covers for cubicles in the form of domes, the aforesaid covers for cubicles being of plastic, instantaneous water heaters, water treatment installations, bath tubs, wash-hand basins parts of sanitary installations, sinks, lamps; ] sanitary fittings of metal, plastic and glass, namely, bath tub handles