OASE BioMaster² 250 – External Aquarium Filter for up to 250L

The BioMaster² 250 meets the highest requirements for filtration and maintenance in aquariums up to 250 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?

• High-performance biological filtration: Hel-X media + filter foams for clear water and stable biological balance
• Upgradeable heating: the regulated HeatUp heating module can easily be added later if needed
• Simplified cleaning: EasyClean prefiltration chamber for quick maintenance
• Integrated safety: automatic shutoff and safety lock prevent accidental water leaks, particularly when removing the prefiltration module
• Easy priming: dedicated purge button for quick, effortless filling with water
• Complete, ready-to-use set: supplied with filter media, hoses, adapters, inlet and outlet tubes
• Freshwater and saltwater: compatible with both applications
• +25% flow rate compared with the previous model

Technical specifications

Ideal use

Ideal for aquarists with a tank of up to 250 L (freshwater or saltwater) looking for a complete, quiet, easy-to-maintain external filter.