Introducing the Oase BioMaster Thermal External Filter 850, the ultimate solution for maintaining a clean and healthy environment for your fish. This powerful filter is designed to provide superior mechanical and biological filtration, ensuring crystal-clear water and optimal water conditions for your aquatic pets. With its integrated heater, this filter is the perfect all-in-one solution for maintaining a stable water temperature and reducing the need for additional equipment in your fish tank. The easy-to-use design and convenient features make maintenance a breeze, while the sleek and compact design of this filter allows for easy installation and discreet placement in your aquarium. Trust the Oase BioMaster Thermal External Filter 850 to provide the filtration and heating needs for your fish, ultimately creating a thriving and beautiful underwater ecosystem for your beloved aquatic pets.