11 hot water heaters and solar water heaters, steam generators, refrigerators, dryers, ventilating fans for commercial use, water purifiers and filters; water supply apparatus and sanitary installations, namely, mixing valves; manually operated regulating valves for the supply and draining of water, namely, drains, waste and overflow fittings, mixer-taps for washstands, bidets and washing tables, mixer-taps for baths and showers; shower cabins, showers and shower combinations, namely, overhead showers, lateral showers and hand showers; showerhead holders; plumbing fittings, namely, traps