The UNIX System is a unique cartridge holder that uses quick-connect cartridges to effectively treat water and process fluids. Aries style cartridges are replaced in less than a minute without the use of any tools. The UNIX is a modular, wall-mounted system that can be easily linked together with other UNIX holders for staged filtration. A variety of cartridges are available to meet the individual application requirements. From drinking water to high purity, the Unix system and Aries cartridges provide a simple, easy, and reliable approach.