The BioMaster² 350 meets the highest standards in filtration and maintenance for aquariums up to 350 liters. The combination of highly effective biological filtration via Hel-X media and mechanical-biological cleaning with filter foams ensures healthy, clear water.
Why choose this filter?
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High-performance biological filtration: Hel-X media + filter foams for clear water and stable biological balance
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Upgradeable heating: the regulated HeatUp heating module can be easily added later if needed
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Simplified cleaning: EasyClean prefiltration chamber for quick maintenance
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Built-in safety: automatic shut-off and safety lock preventing any accidental water leaks, especially when removing the prefiltration module
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Easy priming: dedicated purge button for quick, effortless water filling
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Complete and ready-to-use set: delivered with filter media, hoses, adapters, inlet and outlet tubes
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Freshwater and seawater: compatible with both uses
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+20% flow rate compared to the previous model

Technical specifications
| Feature |
Value |
| Max aquarium volume |
350 L |
| Max flow rate |
1100 L/h |
| Filtration volume |
5.6 L |
| Prefiltration volume |
0.50 L |
| Power consumption |
18 W (11.5 W in operation) |
| Max water column |
1,40 m |
| Hose connection (int./ext.) |
16 / 22 mm |
| Hose included |
1 piece / 4 m |
| Dimensions (L x W x H) |
240 × 240 × 425 mm |
| Cable length |
1,50 m |
| Net weight |
5.67 kg |
| Warranty |
3 + 1 year |
| Voltage |
230V / 50Hz |
| EAN |
4010052947082 |
Ideal use case
Ideal for aquarists with tanks up to 350L (freshwater or marine) looking for a complete, quiet, and easy-to-maintain external filter.