Oase BioMaster Thermo 250 Cannister Filter for Aquariums

The Oase BioMaster Thermo 250 Cannister Filter for Aquariums is an external canister filter for aquariums up to 250 litres that includes an integrated, adjustable 150W heater for an all-in-one, clutter-free solution. It is noted for its high-quality construction, quiet operation, and user-friendly maintenance features. 

Features & Benefits:

• Integrated Heater: An adjustable 150-watt Oase HeatUp heater is housed within the filter unit, which provides uniform temperature control throughout the aquarium and removes the need for visible heating technology inside the tank.
• EasyClean Pre-filter Module: A standout feature is the pre-filter chamber, which can be removed separately from the main filter body for cleaning, without requiring the dismantling of the entire filter system. This significantly reduces maintenance time and mess.
• Effective Filtration: The system uses multiple stages of filtration, combining mechanical filtration (various foam densities, e.g., 45 ppi) with highly effective biological filtration using Oase's Hel-X media to ensure clear and healthy water.
• Safety Features: Integrated safety features, including a shut-off mechanism and a safety lock on the hose manifold, prevent accidental water leaks during maintenance.
• Easy Priming: A practical venting (priming) button allows for quick and easy start-up and re-start after cleaning.
• Adjustable Flow: The flow rate can be controlled either directly on the filter unit or via the adapter set.
• Versatility: The filter is suitable for both freshwater and saltwater aquariums. 
• Quiet Operation: The unit is designed with sound dampening features and is generally considered very quiet, ideal for living areas and bedrooms. Some users have experienced air purging or humming issues, though this seems to be less common with the 250 model compared to larger versions.
• Durability and Support: The unit is made in Italy with German engineering and most parts are replaceable, making repairs and upgrades straightforward. The safety shut-off mechanism and locks prevent accidental leaks during maintenance

Technical Specifications