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Fluval U4 underwater Filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Stage 1 foam removes large particles. In stage 2, the poly/carbon cartridge traps fine debris, improves water clarity and removes impurities. In stage 3, BioMax provides optimal biological filtration efficiency.
  • Filters debris and provides optimal biological filtration
  • Simple to install and maintain
  • Silent and efficient
  • Ideal supplemental or stand-alone filter, or for installations where external filtration is not possible
  • Comes with 3-way flow control with adjustable output, 2 foam pads, 2 poly/carbon cartridges and 90 grams BioMax; Ideal for 34-65 gallon environments

Fluval U4 Underwater Filter

  • Brand: Fluval
  • Product Code: A480A1
  • Note: Aquatica Plus is an Amazon Affiliate and may receive payment for items purchased on Amazon.

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