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Ocean Free Hydra Filtron 1800 BioTrap Sponge 2 Pack


Replacement BIOTRAP Sponge 2 Pack for the Ocean Free Hydra Filtron 1800 Canister Filter.

  • Bio-mechanical filtration
  • Physically trap finer solids and suspended particles to keep your water clear
  • Good porosity that provides optimal conditions for beneficial bacteria
  • Long lasting and durable