Cartridge filters are often used as filter as they have many advantages.
By changing the filter element you can easily change the retention of filter rating.
The filter retention can go from 0.2micron till some millimeters.
Filter cartridges are available in a lot of material such as Polypropylene, nylon, polyesters, glass, metal.
Filter cartridges can contain also absorbing components to remove oil or chlorine.
The filter housing can be constructed according your specifications in stainless steel or Polypropylene.