Water treatment equipment, namely, water filtration units featuring nanofiltration, ultrafiltration, microfiltration, and reverse osmosis; Flow restrictors for reverse osmosis water purification units; membrane modules, namely, water filtration units for removing dissolved and suspended materials from water and wastewater, and replacement cartridges and filters therefor

Filter materials, namely, semi-processed plastic and semi-processed plastic and organic and inorganic polymeric foam and granulated ceramic materials for use in the manufacture of filters, filter modules, and filter membranes for water filtration in the nature of nanofiltration, ultrafiltration, microfiltration, and reverse osmosis; separation and filtration membranes, namely, semi-processed plastics and granulated ceramic materials in the nature of filtering materials for water filtration in the nature of nanofiltration, ultrafiltration, microfiltration, and reverse osmosis; Semi-processed polymeric and granulated ceramic membranes for water filtration in the nature of nanofiltration, ultrafiltration, microfiltration, and reverse osmosis; Semi-processed natural and synthetic polymeric membranes and granulated ceramic membranes and filtering materials in sheet or roll form for use in the manufacture of water filtration media; polymeric sheets and granulated ceramic sheets for use in manufacturing water filtration media; porous membranes, namely, plastic and organic and inorganic polymers or combinations thereof in sheet form for use in manufacturing water filtration media