Water filters; household and industrial installations for drinking water filtration; water conditioning units, namely, elements for the conditioning or treatment of drinking water, ceramic elements for the conditioning or treatment of drinking water; [ apparatus for sterilizing water, namely, water sterilizers and water purifiers; ] candles being ceramic filtration elements for water filters and cartridges for water filters; parts and fittings for all the aforesaid goods, namely, replacement cartridges, replacement candles, filters for water filtration and purification units, filters for water treatment units, filter housings, filter taps, filter faucets