APS WATER Was founded in 1991 APS is a manufacturer and distributor of chemical separation technologies to the Scientific, Commercial and Residential market places. APS WATER specializes in filtration equipment, expendables and support services required to produce ultrapure water for high tech industries including space projects, pharmaceutical and laboratory applications. APS WATER manufactures our own APS ULTRA brand replacement filters for Millipore, Barnstead/Thermolyne, Thermo Scientific, Elga and many other laboratory water filtration systems. APS is also contract manufacturer for many large science companies including Siemens, Barnstead, Pall Corp, the US Government and many other distributors worldwide. In addition, APS distributes high quality products from Labconco, Barnstead, Thermo Scientific, Hach Myron-L and others.