ALL FILTERS

* all of the following for residential use only: * air filters for air conditioning units; air filters for domestic use[; filters for drinking water; water filtering units for domestic use; water filters; water filtration pitchers sold empty; water purifying units, for potable water for domestic use; water treatment equipment, namely, cartridge filtration units; water treatment equipment, namely, reverse osmosis filtration units; water treatment equipment, namely, reverse osmosis units; water treatment equipment, namely, water filtration units; water treatment equipment, namely, water filtration units and reverse osmosis units]