Oase BioMaster² 850

The Oase BioMaster 850 is a high performance external canister filter designed for very large freshwater aquariums that demand maximum filtration capacity and powerful water circulation. Engineered in Germany, this premium filter combines robust construction, advanced multi stage filtration, and user friendly maintenance features to deliver exceptional water clarity and long term biological stability.

Equipped with a strong and energy efficient motor, the BioMaster 850 provides high flow output suitable for large volume tanks. The spacious filter body includes multiple media baskets, allowing customized configurations of mechanical, biological, and chemical filtration media. This large media capacity maximizes the surface area available for beneficial bacteria, ensuring efficient waste breakdown and stable water parameters.

A key feature of the BioMaster series is the EasyClean prefilter module, which can be removed and rinsed separately without dismantling the entire unit. This significantly simplifies routine maintenance and extends the service life of the main filter media. The integrated priming system enables quick and effortless start up, while the secure hose adapter with safety locking mechanism ensures clean and safe disconnection during servicing.

Designed for quiet operation and long lasting durability, the Oase BioMaster 850 is ideal for aquarists who require professional grade filtration performance, high reliability, and convenient maintenance in large and demanding freshwater aquarium setups.