The Bio Master Thermos 250 features a built-in heater within its compact filter structure.
The built-in heater provides your aquarium with Precise and uniform temperature levels while the product integration delivers unobstructed views of your Aquarium
Hel-x, suspended Filter media, creates the optimal surface area for beneficial bacteria growth
Includes 4-stage filtration: biological, mechanical, chemical, and prefiltration
External filter operates quietly to circulate and filter your aquarium water