Wide application This Ultra quiet designed filter water pump fits 20L-180L tank,has a wide range of applications that it can be used in aquariums, ecological tanks, breeding ponds, landscape tubes, gardens, rockery fountains, Waterfalls, Hydroponic systems, Irrigation systems etc. Multi-function free switching : This filter come with 3 kinds of water outlet,you can switch increase oxygen and filtration, wave maker pump, water change and pump water function easily Effecticent filteration designed Increase filter box size and install 2 pieces Biochemical-sponge,which can effectively filter waste and improve the circulation system to maintain a clean water environment. easy to seperate and clean. Product parameter Power: 6W, Maximal Flow Rate: 134GPH (500L/H), Maximal Lift height: up to 0.8M, Length of power cord:1.1M. Submersible pump function : Ip68 Waterproof & Submersible,it can used as a submersible pump with diameter of 12mm outlet,compatible with most of the hose caliber.