About this item

• 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
• External filter operates quietly to circulate and filter your aquarium water
• Includes 4-stage filtration: biological, mechanical, chemical, and prefiltration
• Hel-x, suspended Filter media, creates the optimal surface area for beneficial bacteria growth