1 / 61. Integrated design: water filtration + water circulation, one machine meets multiple aquarium needs 2. Built-in thick filter sponge, efficiently traps dirt, debris and fish poop 3. Fully submersible structure, ultra low noise operation, won't disturb aquatic pets 4. Dual-purpose for fresh water and seawater, suitable for fish tank, turtle tank 5. Suction cup mounting, firm attachment on tank glass, easy disassembly 6. Adjustable water outlet, connect tubes to change water flow direction freely 7. Compact vertical body, saves tank inner space, does not block fish swimming space 8. Simple to take apart, filter sponge easy to rinse and reuse