11 Sanitary apparatus and installations, and sanitary outlet devices, namely, inserts for water taps being pearling nozzles, namely, jet regulators, inserts for bath tubs, anti-splash tap nozzle inserts; sanitary apparatus and installations, namely, inserts for: shower heads, hand showers, overhead showers, mounts for hand showers, and components and spare parts for the aforesaid goods, plumbing fittings, namely, flow straighteners for water faucets and water taps with or without aeration [, as well as components and spare parts thereof included in this class, in particular flexible pipes; ] sanitary fittings, fittings for sanitary installations, components, and spare parts for all the aforesaid goods included, namely, faucets, shower heads, hand showers, wall-mounted showers, kitchen sprays, water filters, spouts and valves, faucet stream straighteners and swivel and extractable spouts for sanitary tapware as well as components and spare parts for the aforesaid spouts, namely, plumbing valves; [ diverters to select water flow between tub or shower head; ] [ diverters to select water flow between kitchen side spray or faucet; ] water supply and distribution installations, namely, flow regulators, flow restrictors, flow straighteners with or without aeration in the nature of faucets, shower heads and sanitary pipes with and without aeration, non-return valves, flow control valves, pressure regulators, [ vacuum breakers, water filters, couplings for check valves and ball joints; ] water-supply apparatus, [ water filtering apparatus; ] sanitary apparatus and installations; sanitary installations and parts therefor, namely, pressure regulators for sanitary installations; sanitary outlet devices; flow regulators, with and without aeration, for domestic and commercial use, and components and spare parts for the aforesaid goods; flow regulators with integrated or upstream flow governors for domestic and commercial use, and components and spare parts for the aforesaid goods; water flow governors and water flow governors with seals, water flow restrictors; non-return valves, non-return valves with integrated or upstream flow governors, non-return valves with integrated or upstream flow restrictors and components and spare parts for the aforesaid goods; showers, in particular hand-held showers and shower heads, and components and spare parts for the aforesaid goods; wall-mounted showers, and components and spare parts for the aforesaid goods; shower nozzles for use with kitchen sinks, and components and spare parts for the aforesaid goods; [ filters for sanitary installations, in particular cover filters, dirt filters with molded seals, ] [ filters for drinking water; ] [ non-return valve connectors ball joints, faucet ball joints; socket joints for plumbing; plumbing flow diverters for sanitary installations, namely, shower-bath flow diverters; plumbing fittings, namely, vacuum breakers; by-pass valves for sanitary installations; noise suppressors for sanitary installations, and components and spare parts for the aforesaid goods; mounting adapters for mounting sanitary installations and sanitary fittings, and components and spare parts for the aforesaid goods ]