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FSI offers high quality filter cartridges and an affordable price.  Filter cartridges are available to filter particulates down to 1 micron.
10" Long 20" Long
FSI 10" Long Filter Cartridges.  Available in Vorex Polypropylene Microfiber or Polywound.
FSI 20" Long Filter Cartridges.  Available in Vorex Polypropylene Microfiber or Polywound.
30" Long 40" Long
FSI 30" Long Filter Cartridges.  Available in Vorex Polypropylene Microfiber or Polywound.
FSI 40" Long Filter Cartridges.  Available in Vorex Polypropylene Microfiber or Polywound.
X100
FSI X100 Filter Cartridges are designed exclusively for the X100 convertible filter vessel.  Available in Vorex Polypropylene Microfiber.