Optipure 160-50115 FXI-22 Dual 20" System 1-1/4" MPT standard 2" diameter elements that

standard 2" diameter elements that have been tested and Certified by NSF International against NSF/ANSI Standard 58 for material requirements only

Features: Filters 75 gallons of water per day

of non-use

The only difference is the outer casing

Optipure 160-50115 FXI-22 Dual 20" System 1-1/4" MPT standard 2" diameter elements thatThis Optipure 160 50115 FXI 22 Dual 20" System is a dual housing water treatment system with drop in 20 cartridges that reduces sediment down to 0. 5 microns and reduces chlorine, taste & odor at a flow rate of 3. 0 gpm for 30,000 gallons. The system includes IsoNet, OptiPures patented scale inhibiting technology, which delivers consistent protection against the precipitation and accumulation of scale and provides a protective barrier to help guard