Apparatus and installations for decomposing toxic substances in water; Apparatus for disinfecting water; Apparatus for filtering drinking water; Filters for drinking water; Filters made of fiber for water filtration; Industrial-water purifying apparatus; Sustainable onsite water recycling and wastewater treatment systems; Tap-water purifying apparatus; Waste water purification apparatus, installations and tanks; Waste water purification units; Water desalination plants; Water filtering apparatus; Water filtering devices, namely, water purification installations for waste water and sewage consisting of curtains and textile fabrics; 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 home and commercial use; Water filtration apparatus for the deionization of water; Water filtration bottles sold empty; Water filtration pitchers sold empty; Water ionizers; Water purification and filtration apparatus; Water purification installations; Water purification machines; Water purification tanks; Water purification units; Water purification, sedimentation and filtration apparatus for clarification, thickening and filtration of water, waste water and industrial water; Water purifiers; Water purifiers for household purposes; Water purifying apparatus; Water purifying units, for potable water for home use; Water sterilisers; Water treatment equipment, namely, cartridge filtration units; Water treatment equipment, namely, reverse osmosis filtration units; Water treatment equipment, namely, reverse osmosis units; Water treatment equipment, namely, ultraviolet sterilization units; Water treatment equipment, namely, water filtration units; Water treatment equipment, namely, water filtration units and reverse osmosis units; Water treatment unit for aerating and circulating water