Filters for drinking water; water purifying apparatus and apparatus thereof, namely, water purifying valves, water purifying pumps, water reservoirs, water containers, water tubing, sold as a unit of a water purifying apparatus; water sterilizers and apparatus thereof, namely, water sterilizer valves, water sterilizer pumps, sold as a unit of a water sterilizer; water intake unit for a water purifying apparatus and water sterilizers comprised primarily of intake valves for water filters, water intake pumps, water tubing; water filtering apparatus for domestic use, namely, water filtering apparatus for refrigerators, water filtering faucets, water filtering cartridges and fittings thereof; water filtering apparatus for commercial use; water filtering apparatus for personal use, namely, portable water filters, water filtering cartridges and fittings thereof; water filtering apparatus for military use, namely, portable water filters, water filtering cartridges and fittings thereof, interface water filters for use with respirator devices; water filtering apparatus, namely, valves for water filters, water filtering pumps sold as a unit of a water filtering apparatus