Filtering units for water filtering, producing potable water for domestic use; Filters for drinking water; Filters for fluids, namely, for water and area-water solutions; Filters made of fiber for water filtration; Water filtering apparatus; Water filtering devices, namely, water purification installations for waste water and sewage consisting of curtains and textile fabrics; Water filtering units for aquariums; Water filtering units for domestic, commercial, or industrial use; Water filters; Water filtration and purification units and replacement cartridges and filters therefor