Oase Bio Master Thermo 350
The BioMaster Thermo line of premium external filters with integrated heaters are perfect for marine and freshwater aquariums. The Oase Bio Master Thermo 350 boasts 4-stage filtration in a compact design. With the OASE BioMaster Thermo 350 heater integrated into your filter, there is more room for undisrupted beauty in your aquarium. Biological, mechanical, chemical, and prefiltration all work together to provide your aquarium with optimal water quality and clarity.