External Filters
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BioMaster & Thermo External Filters
BioMaster & BioMaster Thermo external filters by Oase are suitable for large aquariums.
If you click 'yes' to a heater, this filter will come with an Oase HeatUp heater installed. If you choose 'no' to the heater, a HeatUp can be added later on, and fits neatly into the filter. See below for details of the heater wattage needed. HeatUp by Oase is the only recommended heater for use with this filter.
The pump is energy efficient and quiet.
FiltoSmart & Thermo External Filters
FiltoSmart and FiltoSmart Thermo 300 by Oase are external filters suitable for medium to large aquariums of 300 litres volume or less.
The pump is energy efficient and quiet.
If you choose the Thermo version, the heater is neatly installed into the filter and fully controllable so that you can choose the best temperature for your fish.