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[Pack of 3] - Fluval Underwater Filter Stage 2 Polyester/Carbon Cartridges U4 Filter Cartridge (2 Pack)

[Pack of 3] - Fluval Underwater Filter Stage 2 Polyester/Carbon Cartridges U4 Filter Cartridge (2 Pack)

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Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration. The U Series Cartridges is a polyester filter pad which filters out fine debris and contaminants and a carbon side which filters out harmful liquid substances, colorants and odors.

  • Stage 2 Poly / Carbon replacement cartridge
  • Improves water clarity, traps debris and removes odor from aquarium water
  • Dual sided cartridges provide more effective filtration

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