Purification installations for sewage; regulating accessories for water or gas apparatus and pipes; sanitary apparatus and installations; swimming pools chlorinating units; taps (faucets); taps (cocks, spigots) for pipes; toilet bowls; toilet seats; toilets (water-closets); urinals (sanitary fixtures); level controlling valves in tanks; water closets; water conduits installations; water distribution installations; water filtering apparatus; water flushing installations; water intake apparatus; water purification installations; water supply installations; water-pipes for sanitary installations; watering installations, automatic; all included in class 11