Hydor BioFlow Aerobic Aquarium Filter – Refill Sponge – Small
The BioFlo Aerobic Filter from Hydor is a rotating water deflector with highly efficient aerobic filter. It moves the aquarium water which increases oxygenation and surface gas exchange which prevents the formation of the andldquo;white lineandrdquo; effects. It can be fitted with adaptors to the outlet of any pump or filter….