filter units, namely, filter elements and cartridges used for filtering fluids used in chemical process industries, electronic applications, pharmaceutical, biotechnology, consumables, cosmetics, and beverage applications; the production of products with magnetic coatings, such as video tapes, audio tapes, floppy disks, hard drives and digital audio tapes for micro-electronics, photoresist, and semiconductor applications; water treatment in industrial and commercial applications; and filtrati...