iOPURE QCTOS-10EK Everpure Replacement, CTOS Cartridge


The QCTOS-10EK is a premium water filter cartridge to reduce chlorine, taste, odor, dirt, sediment, rust, and inhibit scale. This filter replaces the Optipure CTOS-EK10 cartridge and Everpure® I-2000, I-4000, 4CB5-S, 7CB5-S, 4FC5-S, 7FC5-S, MH and BH cartridges.

  • Cartridge Diameter: 3.5″
  • Micron Rating: 0.5
  • Service Flow Rate: 1.7 gpm
  • Capacity: 18,000

OptiPure QT iOPURE Cross Reference Chart

18 in stock