Air filters for air conditioning units; Commercial refrigerators and freezers and replacement parts and fittings therefor; Domestic water filtering apparatus; Drinking water filters; Filters and filtering devices for air and gas conditioning; Filters for air conditioning; Filters for air purifiers; Filters for aquaria; Filters for drinking water; Filters for fluids, namely, for water and area-water solutions; Filters for ice making apparatus; Filters for swimming pools; Household tap-water fi...