Air filtration apparatus and installations; portable filtration apparatus for filtering air (other than machines); filters (not machinery or engine parts); air filters; parts of air purifying apparatus, especially alt filters for furnaces; drinking water filters; electrostatic filters for water filtration; filters for use with apparatus for water supply; filters for sanitary water distribution apparatus; filters for water release devices; overpressure filters for water supply installations; water filters installations for agricultural and industrial purposes; water purification and treatment filters; filters for water purifiers; smoke purifiers; filter cartridges for household and industrial installations for the filtration of potable liquids; air conditioners, room air cleaners, home and building HVAC air ventilation and cleaning equipment, air humidifiers and dehumidifiers; temperature control apparatus for central heating installations, automobile and other motor vehicle cabins, and other domestic, industrial and commercial uses and installations; apparatus for heating, steam generating, cooking, cooling, drying, ventilating, water supply and sanitary purposes; air purifying and air conditioning apparatus and their parts; parts and fittings for the aforesaid goods included in this class

Filtering materials included in this class