The FO Series single cartridge housings are designed for industrial and commercial applications, these heavy-duty filter housings are designed for maximum durability. A simple bolt & nut closure allows for quick cartridge change outs, with a T-handle available as a convenient option. The FO Series is available in a variety of construction and gasket options for compatibility with almost any industrial liquid. Convenient options are available such as gauge ports, bracket kits, and Flange or Sanitary inlet and outlet connections.