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Carbon Cartridge, Bowl Filters, Twin Pack

  • An easy-to-install, ready to use cartridge that is filled with floss and high-grade, activated carbon.
  • The Carbon Cartridge Bowl Filter fits any 1/2" under gravel filter uplift tubes as well as Lee's® and Fritz bowl filters.
  • For optimal performance, it is recommended that you replace your cartridges every 2-3 weeks.