🌊 Dive into Clarity and Comfort! Sleek design enhances your aquarium's aesthetics while providing powerful filtration. Benefit from a comprehensive 4-stage filtration system ensuring crystal-clear water. Experience precise temperature control with an integrated heater for optimal aquatic life. Hel-x media maximizes surface area for beneficial bacteria, promoting a healthy ecosystem. Enjoy the tranquility of your aquarium with a filter that operates silently. 4-stage filtration Whisper-quiet operation Integrated heater The OASE Indoor Aquatics Biomaster Thermo 600 is a state-of-the-art aquarium filter featuring an integrated heater, designed for aquarists who demand both performance and aesthetics. With a capacity of 600 liters, it operates quietly while providing a comprehensive 4-stage filtration system, ensuring your aquatic environment remains pristine and healthy.