ScaleX2® Replacement Cartridge Kit for SX2-21 system, (1) CTO-10 & (1) SCLX2-1 cartridge, 15,000 gallons capacity, 1.5 gpm flow rate, 0.5 micron particulate, utilizes template-assisted crystallization to inhibit scale, reduces chlorine, taste & odor (252-60110)
