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Anti-splash tap nozzles; baths, bathtubs, whirlpool baths and bath installations; sauna bath installations; sitz baths; bidets; clean rooms; hydrants; faucets; faucets for pipes; shower faucet extensions; mixer faucets for water pipes; drain structures for use in spas, steam rooms and baths; pipes being parts of sanitary facilities; plumbing fittings, namely, aerators for faucets, baffles, bibbs, cocks, couplers, drains, faucet filters, spouts, sink strainers, shower sprayers, shower mixers, traps, valves; sanitary installations in the nature of steam rooms; shower enclosures; showers; shower and bath cubicles; sinks; spigots; taps for washstands; tap water faucets; lavatory bowls; toilet bowls