The FXI-22B is a dual-housing water treatment system with drop-in 4.5” x 20” cartridges that reduces sediment down to 5 microns and reduces chlorine, taste & odor at a flow rate of 2.5 gpm for 100,000-gallons. The system includes IsoNet®, OptiPure’s patented scale inhibiting technology, which delivers consistent protection against the precipitation and accumulation of scale and provides a protective barrier to help guard against corrosion.