Industrial air filter machines; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air filters for air conditioning units; Air filtering units; Air conditioning filters; Air filtering installations; Air filters for air conditioners in vehicle passenger compartments; Filters for air conditioning; Air filters for furnaces; Filters for air purifiers; Filters for air extractor hoods; Air filters for domestic use; Air filters for household purposes; Air filters for vehicle cabins; Air filters for industrial purposes; Air filters for industrial use; Air filters for HVAC units; Air filters for industrial installations; Air filters for air-conditioning units; Filters for use with apparatus for air conditioning; Personal air filtering units for personal use; Personal air filtering units for filtering air contaminants from the air; Air-conditioning filters; Filters for air-conditioning; Fibrous filtering media for general industrial use in the purification of air and industrial fluids; Filters and filtering devices for air and gas conditioning; Apparatus for the separation of gases being air filtering installations; Air filters for household use; Air filters for heating and cooling registers; Air exchangers for cleaning and purifying air; Household air cleaners; Air cleaning apparatus; Air cleaning units; Separators for the cleaning and purification of air; HEPA filters for household use; Filters for use with apparatus for air-conditioning