Features a four-step filtration process: biological, mechanical, chemical, and pre-filtration.
External filter operates quietly to circulate and filter your aquarium water
The Bio master thermos 250 has an integrated heater in compact Filter design
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