Apparatus for filtering drinking water; [ Automatic faucets; Bathtubs; Faucet sprayers; Faucets; ] Filters for drinking water; [ Humidifiers; Mixer faucets for water pipes; ] Plumbing fittings, namely, bibbs; [ Plumbing fittings, namely, cocks; ] Plumbing fittings, namely, traps; Plumbing fittings, namely, valves; Shower head sprayers; Shower heads; [ Spigots; Tap water faucets; ] Water control valves for faucets; Water filtration and purification units and replacement cartridges and filters therefor; Water purifiers; Water purifiers for household purposes; Water purifying apparatus; Water treatment equipment, namely, cartridge filtration units; Water treatment equipment, namely, water filtration units; Electric bath-water purifying apparatus for household purposes