11 Hot water heaters and solar heating panels, steam generators, water purifiers and filters; plumbing fittings, namely, valves, manually and automatically operated mixing valves, mixer taps for wash stands, bidets, washing tables, bath tubs and showers; showers and shower cabins; shower combinations, namely, overhead showers, lateral showers, and hand showers; nozzles for showers, water taps and watering mixing taps; pre-assembled multi-functional showers; complete shower units, namely, pre-assembled shower units combining overhead showers, lateral showers and hand showers; plumbing fittings, namely, traps; and electric lighting fixtures; casings and revetments for sanitary installations primarily made of metal, namely, shower doors and shower enclosures