Fluval Internal Filters

Fluval underwater filters with three stage filtration are ideal for use in fresh, marine or reptile environments. Stage 1 foam removes large particles. Stage 2 poly/carbon cartridge traps fine debris, improves water clarity and removes impurities. Stage 3 BIOMAX provides optimal biological filtration efficiency.
  • For aquariums, terrariums and turtle tanks.
  • Ideal supplemental or stand-alone filter, or for installations where external filtration is not possible.
  • Filters debris and provides optimal biological filtration./li>
  • Silent and efficient.
  • Simple to install and maintain.
  Fluval U1 Filter 250LPH £ 22.31 each
  Fluval U2 Filter 400LPH £ 33.44 each
  Fluval U3 Filter 800LPH £ 43.06 each
  Fluval U4 Filter 1000LPH £ 54.03 each