Poly-Carb Cartridge for U4 Underwater Filter, 2-Pack

Poly-Carb Cartridge for U4 Underwater Filter, 2-Pack

Item #: A492 | UPC: 015561104920

Specifically designed for the Fluval U4 filter, the U4 Poly-Carb Cartridge has two unique filtering sides that combine to provide thorough chemical filtration.

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Features

  • Chemical filter media
  • Polyester side filters out fine debris and contaminants
  • Carbon side filters out harmful liquid substances, colorants and odors
  • Suitable for freshwater, saltwater or reptile environments
  • Convenient 2-pack format
  • 2 x poly/carbon cartridges included

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