Ensure superior filtration in your aquarium with the Ocean Free Smart Internal Filter in the 800L/Hr size. Suitable for medium-sized tanks, this filter removes impurities and pollutants to create a pristine habitat for your aquatic pets. Its quiet operation and adjustable flow rate make it a favorite among hobbyists. Say goodbye to cloudy water and hello to sparkling cleanliness with this smart internal filter. Designed for mid-sized aquariums, offering efficient filtration and water circulation to promote a healthy aquatic ecosystem. High flow rate and customizable settings accommodate various fish species' needs. Durable construction and reliable performance ensure long-lasting filtration and peace of mind for aquarium owners.