Apparatus and installations for decomposing toxic substances in water; Apparatus for filtering drinking water; Apparatus for purifying industrial water; Apparatus for purifying tap water; Automatic faucets; Water faucet spout; Water filtering apparatus; Water filtering apparatus for domestic use; Water filtering devices, namely, water purification installations for waste water and sewage consisting of curtains and textile fabrics; Water filtering units; Water filtering units for domestic use; Water filtering units for domestic, commercial, or industrial use; Water filters; Water filtration and purification units and replacement cartridges and filters therefor; Water filtration and purification units and replacement cartridges and filters therefor for refrigerators and ice makers; Water filtration apparatus; Water filtration apparatus for the deionization of water; Water heating installations; Water purification filters; Water purification installations