ENPRESS LLC is a leading manufacturer of composite pressure vessels utilized in water treatment. Manufacturers of Vortech and Mid-Vortech distribution technologies create fluidity of the media bed and extend contaminant removal capacity, which means less regenerations and reduction of water use. The backwashable POLY-UF offers 0.02 micron filtration at max service flow rates of 12 gpm treating colloids, bacteria, cysts, viruses, turbidity, tannins and other particles. Cartridge Tank is a direct replacement for inefficient 2.5- or 4.5-in. housings, or stainless steel cartridge housings. Seven filtration series options offer unique filtration capacities and flow rates from residential requirements up to 150 gpm.