Oase BioMaster Thermo External Filters

The BioMaster Thermo is an external filter for aquariums between 250 and 600 litres in size with high fish stock. It offers convenience for the most rigorous requirements.

These BioMaster Thermo external filters are packed with a combination of mechanical and highly effective biological filter media meaning a much larger surface area for bacteria to colonise resulting in cleaner clearer water. Replacement foams are available at Swell UK. The BioMaster Thermo ensures discrete highly efficient filter technology outside of your aquarium!

Included is all the filter media, hoses, adaptor, intake and outflow tube, as well as water diffuser. Suitable for both freshwater and marine aquariums and guaranteed for 3 years. The sister BioMaster is also available to buy from Swell UK.