The Oase BioMaster Thermo 350 is a premium, German-engineered external canister filter manufactured in Italy. It is highly regarded by aquarists for its integrated heater and isolated pre-filter module, which drastically reduces standard tank maintenance.
The Oase Biomaster 350 Thermo is a high-performance external aquarium canister filter featuring an integrated adjustable heater, an Easy Clean pre-filter module, and a large biological filter volume.
Key Technical Specifications
- Tank Size Suitability: Up to 350 litres (freshwater and marine)
- Max Flow Rate: 1,100 L/h
- Power Consumption: 18 W (Filter pump)
- Integrated Heater: 200 W (Oase Heat Up)
- Filter Volume: 4.8 L total (0.48 L pre-filter)
- Hose Size: 16/22 mm (4 meters length included)
- Dimensions: 240 × 240 × 421 mm
Core Features & Maintenance
- Integrated Heating: Houses the adjustable Oase Heat Up heater inside the canister body, eliminating visible equipment in the main display tank.
- EasyClean Pre-Filter: Allows you to pull out, rinse, and reinsert the pre-filter module independently without unhooking the entire canister or disrupting main biological media.
- Safe Operation: Features an automatic shut-off valve and safety locking handle to prevent water spills during routine pre-filter maintenance.
- Easy Startup: Includes a practical built-in priming button for fast water suction during initial setup or after cleaning.
Images on how to use your Biomaster Thermo:










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