🐟 Dive into a cleaner aquarium experience! Adjustable outlet pipe for tailored water flow and oxygenation. Experience 9-layer mechanical and biological filtration for crystal-clear water. Easily removable sponges for hassle-free cleaning and maintenance. Perfect for freshwater, saltwater, and all types of ornamental fish. No air pump needed—just plug it in and let it work its magic! 9-layer filtration Power-driven efficiency 4 removable sponges The AQQA Aquarium Sponge Water Filter is a power-driven, double biochemical filter designed for both fresh and saltwater tanks. It features a unique 9-layer sponge design for superior filtration, comes with 4 removable sponges for easy maintenance, and includes ceramic bio filter balls for enhanced water quality. With its user-friendly setup and adjustable flow, this filter is perfect for any aquarium enthusiast looking to create a thriving aquatic environment.