Water filtering apparatus; Liquid filtration and purification units and parts and accessories therefor; Filters for high purity filtration for use in commercial, industrial and bioprocessing industries; Autoclaves for medical use; Membranes for use in filtration and purification in the medical industry; Filter membranes used in microfiltration and ultrafiltration; Membrane filters for water filtering apparatus; Ophthalmic lenses and ophthalmic prisms autoclaves for medical use; Medical testing apparatus for analyzing sterilization indicators; Apparatus and instruments for use in the sterilization of liquids and gases used in the medical industry; Fibrous filtering media for general industrial use in the purification of air and industrial fluids; Filtering for cleaning and purifying air, gases, and liquids, namely, a membrane contactor comprised of microporous hollow fibers for conducting membrane separation and transferring dissolved gases to or from a fluid stream in the nature of liquid filters; Water filtration and purification units and replacement cartridges and filters therefor; Apparatus for the separation of liquids being water filtering apparatus; Filter cartridge for the filtration of liquids; Filtering devices, namely, filters, filter cartridges, filter media and filter housings for the removal of impurities from fluids and other filterable substances; Fluid filtering cartridges for general domestic and industrial use; Filtering devices, namely, filters, filter cartridges, filter media, filter housings, membranes, filter discs and parts thereof for fluid filtration for domestic and commercial use; Water softening and conditioning units; Reverse osmosis water purification units and flow restrictors for reverse osmosis water purification systems; Fibrous filtering media for general domestic and industrial use in the purification of air and fluids; Non-electrical water purification units; Air filter material and air filters for industrial and domestic use in furnaces, air conditioners, room air cleaners, home and building HVAC air ventilation and cleaning equipment, air cleaning and purification units, and other domestic, industrial and commercial uses and installations; Filtering devices, namely, filters, filter media, filter cartridges, and filter housings and parts thereof, all for use in the filtration of liquids and gases; Water purifying units, for potable water for commercial or industrial use; Filters and filter cartridges sold as components of liquid purification units for filtering coatings, liquids for machinery and engines, and liquids used in the electronics industries; Filters for high purity water and liquid filtration for commercial and industrial use, namely membrane filters for filtering liquids; Filters for industrial use in water filtration, water purification and liquid filtration namely, membrane filters for filtering liquids; Filters, filter housings, filter media, filter cartridges, and associated hardware, employed in the filtration of goods by the electrokinetic capture and adsorption of contaminate particles from fluids; Filtration capsule for use in the clarification, purification, and separation of liquids, namely, aqueous or semiaqueous compounds; Mechanical liquid straining and filtering cartridges, and parts thereof; Water filtration and purification units and replacement cartridges and filters therefor; Water filtering units for domestic, commercial, and industrial use; Water filters and components thereof, namely, filter cartridges for reduction of hard water, acid water, iron, lead, dirt, rust and sediment from drinking water supplies, from hot water systems, and from household appliances and humidifiers, for domestic and industrial use; Water filtration systems comprised of a filter cartridge, tubing, connectors and brackets; Water filters; Water filter cartridges; Air purifiers.