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FLUVAL POLY-MAX
FLUVAL POLY-MAX

FLUVAL POLY-MAX

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Specifically designed for the Fluval U4 filter, the U4 Poly-Max Cartridge helps control green water and unsightly algae growth by trapping and adsorbing phosphate, nitrite and nitrate.

  • Chemical filter media
  • Produces crystal clear water, reduces odor, and creates ideal conditions for fish and plants
  • Helps reduce overall aquarium maintenance
  • Suitable for freshwater, saltwater or reptile environments
  • Convenient 2-pack format
  • 2 x poly/clearmax filter cartridge included