Plumbing fittings, namely, valves for sanitary installations, cocks and cock valves, bibbs, shower and tub control valves, taps, faucets, spouts, pipes for sanitary facilities, couplers, aerators for faucets, drains, faucet filters, traps, sink sprayers, shower sprayers, shower control valves, showers, shower faucet extensions, shower head sprayers, shower heads, drain structures for use in baths, spas, and steam rooms, fixed spouts on walls and directly on baths, basins, and showers; components for shower heads and handsets for sanitary installations, namely control valves, filters and couplers