Air filters for air conditioning units; Air filters for air-conditioning units; Air filters for furnaces; Air filters for household purposes; Air filters for household use; Air filters for HVAC units; Air filters for industrial installations; Air filters for industrial use; Air purifiers; Air purifying apparatus; Air purifying units; Air purifying units for household purposes; Air purifying units for household use; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air exchangers for cleaning and purifying air; Air-conditioning filters; Filters for air purifiers; Filters for water filtering apparatus; Filters for water purifiers; Filters for drinking water; Filters for fluids, namely, for water and area-water solutions; Filters for use with apparatus for water supply; Filters made of fiber for water filtration; 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 filters; Water filtration and purification units and replacement cartridges and filters therefor; Water purification filters; Domestic water filtering units; Drinking water filters; Electric water purification filters for household purposes; Fitted covers for water filtering apparatus; Industrial air filter machines; Industrial air purifiers; Membrane filters for water filtering apparatus; Membranes for water filtering apparatus; Personal water filtering devices in the form of straws