11 water filtration and enhancement apparatus and installation; water filters for drinking water, bathing water, and water in residential buildings and installation of the same; water filtering units for domestic, commercial, industrial, outdoor, remove, and wilderness use; water filtration and purification units and replacement cartridges and filters therefor; water purification and filtration apparatus; water sterilizers; water treatment equipment, namely, cartridge filtration units; water treatment equipment, namely, water filtration units and reverse osmosis units taps; faucets; plumbing fittings, namely, faucet filters; shower heads; water filtration pitchers sold empty; water purification units; powered water filtration system comprised of a water filtering apparatus and a water dispenser; water filtration bottles sold empty, namely, water bottles having an internal filter, sold empty as a unit; installations for water supply, namely, drinking water dispensers; filters for removing sediment, iron, sulfur, tastes and odors from water, and for clarification of water supplies, and parts thereof; apparatus, and parts thereof for chemically treating water supply systems generally and for supplying chemicals to water supply systems; apparatus and parts thereof for the demineralization and deionization of water; antimicrobial water purification units, water filter cartridges, water purification units for domestic use, and household appliances, namely, water filters for domestic use and water dispensers; hand wash basins; air conditioners; air washers for purifying and humidifying air; lighting installations