Oase BioMaster External Filters

External filters for freshwater and marine aquariums

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At a glance...
  • External filters for aquariums between 250-600 l
  • Filter media, hoses, intake/outflow tubes and water diffuser included
  • 3-year guarantee
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The BioMaster or 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 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.

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 up to 3 years. Replacement filter foams are available to purchase.

The BioMaster ensures discrete highly efficient filter technology outside of your aquarium! The sister BioMaster, the BioMaster Thermo is also available to buy from Swell UK.

Model 250 350 600
Suitable aquarium size (Max.) 250l 350l 600l
Dimensions L:240 x W:240 x H:370mm L:240 x W:240 x H:425mm 240 x 240 x 480mm
Power consumption 15W 18W 22W
Power cable length 1.5m 1.5m 1.5m
Guarantee 3 + 1 years 3 + 1 years 3 + 1 years
Max. flow rate 900lph 1100lph 1250lph
Max. head height 1.3m 1.4m 1.8m
Hose (Qty/Lgth) 1 Unit/4m 1 Unit/4m 1 Unit/4m
Connection for hoses ø (inner/outer) 16/22mm 16/22mm 16/22mm
Filter volume 4.4l 5.6l 6.8l
Prefilter volume 0.40l 0.50l 0.60l
Suitable for freshwater Yes Yes Yes
Suitable for saltwater Yes Yes Yes
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