The SX2-21 is a dual-housing water treatment system with drop-in 10” cartridges that reduces sediment down to 0.5-microns and reduces chlorine, taste & odor at a flow rate of 1.5 GPM for 15,000-gallons. This system includes ScaleX2®, a chemical-free scale inhibition technology that utilizes Template-Induced Crystallization to effectively inhibit the formation of calcium carbonate scale.