OASE BioMaster Thermo 850 External Aquarium Filter with Built-in Heater

The OASE BioMaster Filter is a game-changer for aquarium enthusiasts, offering convenience and efficiency. Its unique EasyClean Pre-filter module allows you to quickly remove and clean it without having to disassemble the entire unit. This reduces maintenance time and boosts the filter's performance while prolonging the life of the main foams. The best part? Thanks to quicker and simple maintenance, you spend more time enjoying your beautiful aquarium! Even better, the BioMaster Thermo models come with a built-in heater that not only reduces clutter inside the tank, but it also keeps your aquatic inhabitants safe from direct contact with the heater. You can easily adjust the temperature between 66°F and 90°F and also calibrate within +/- 2°F. - ensuring the perfect environment for your fish. The BioMaster's four-stage filtration system guarantees crystal clear water, as it flows through various media, including activated carbon and OASE Hel-X Biomedia, creating an ideal habitat for beneficial bacteria. Safety is also a top priority, with secure locks and an aquastop feature that prevents spills during cleaning. Manufactured in Italy with German engineering, this filter quality is unmatched and OASE stands behind the quality of the product with a 4-year warranty (3 + 1 year when you register online). Included in the box are all the necessary accessories for your set-up, so you'll be up and running so you can enjoy your aquarium!