The OptiPure FX CTOS-20 is a drop-in cartridge that reduces sediment down to 0.5 microns. It also reduces chlorine, taste,and odor at a flow rate of 3.0 gpm for 30,000 gallons. The cartridge 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. The drop-in cartridge measure 20 inches long. NSF (for use with FXI-12, FXI-22, FXI-22P, FXI-22P+) (252-20220).
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