Oase BioStyle Hang-On-Filter

Experience crystal-clear water and effortless maintenance with this sleek hang-on filter—perfect when traditional external or internal filters aren’t the right fit. Unlike classic external units, there are no hoses to route or cabinets to accommodate, and it won’t take up valuable space inside the aquarium. Enjoy an unobstructed view of your underwater world while benefiting from powerful, reliable filtration.

Two filter stages for optimal cleaning:
Biological and mechanical filtration work together to keep water parameters stable and fish healthy. Maintenance is simple thanks to the removable filter cartridge and an intuitive cartridge replacement indicator that helps you stay on schedule.

Designed for a precise fit, the adjustable spacers ensure the unit sits securely on the aquarium rim, while the transparent, telescopic intake pipe makes setup and positioning easy. Quiet, energy-efficient performance supports daily use in both freshwater and saltwater environments, helping reduce noise and power consumption without sacrificing flow.

• Compact hang-on filter that fits perfectly onto the aquarium
• Easy to clean with a convenient cartridge replacement indicator
• Includes three filter media: foam, fleece, and carbon for comprehensive filtration
• Telescopic, transparent intake pipe for adaptable installation
• Adjustable spacers for a stable, custom fit

Whether you’re upgrading an existing setup or starting a new build, this hang-on solution delivers dependable biological and mechanical filtration in a space-saving design. Choose the model that matches your aquarium’s volume and flow needs for optimal performance and long-term clarity.