The perfect combination for mechanical & biological filtration in one housing. Very compact size for a total filter system, fits on 1 pallet! Drum filter part is identical to the AquaForte Prime Drumfilter XL. The bio chamber has a volume of over 200 liters and is therefore suitable for at least 100 liters of media/biorings (such as KNS, Helix, etc.). Because of the slots in the passage, the bio chamber is not suitable for Eco Pondchips. Bio media is not included. Bio chamber is equipped with large membrane aerator and piping for air pump connection. Max. flow ±30m³/h.