LING'S SHOP US Plug Mini 3 in 1 Aquarium Internal Filter Fish Tank Submersible Pump Spray 5W 3-in-1 power filter performs three functions at the same time:water filtration, water circulation and aeration. Silent operation and long lasting Perform mechanical, biological and chemical filtration High power output comes from low power input Suitable for freshwater, saltwater, marine aquariums garden and pond use