Revolutionize your aquarium's filtration with Hygger Hang On Aquarium Filter. Engineered for optimal performance, this filter boasts a 100GPH flow rate, ensuring efficient water circulation for freshwater and saltwater tanks alike. Equipped with a rotatable surface oil skimmer, it effectively eliminates unsightly oil slicks, maintaining a pristine water surface. Plus, its adjustable water flow and retractable inlet tube offer customizable filtration tailored to your tank's needs. Enjoy the tranquility of a whisper-quiet operation while providing your aquatic ecosystem with the premium filtration it deserves.