Air filtering installations; Apparatus for filtering drinking water; Filters, heaters and pumps sold in combination for use in hot tubs; HEPA filters for household use; Water filtration and purification units and replacement cartridges and filters therefor for refrigerators

Air filters for air conditioning units; Air filters for domestic use; Coffee filters not of paper being part of electric coffee makers; Filters for drinking water; HEPA filters for household use; Swimming pool water cleaning and filtering units