Ultra Quiet Fish Tank Filter 4-in-1 Internal Aquarium Filter,500-1800l/h Submersible Water Pump Oxygen Aeration Wave Maker Water Change For Bet Discou [Wide use]-This ultra-quiet design filter pump is suitable for 1-50 gallon water tanks, and has a wide range of applications. It can be used in aquariums, ecological water tanks, aquaculture ponds, landscape pipes, gardens, rockery fountains, waterfalls, hydroponic systems, Irrigation system etc.[Multi-function free switching]: This filter comes with 3 kinds of water outlets, which can easily switch the functions of aeration filter, wave pump, water change, and water pumping.[Effective filtration design] Enlarging the size of the filter box and adding 2 pieces of sponges can effectively filter waste, improve the circulation system, and maintain a clean water environment. Easy to separate and clean.[Product parameters] Power: 6W, maximum flow: 134GPH (500L/H), maximum lifting height: 0.8M, power cord length: 1.1M.Package size: 9.69 x 4.09 x 2.72 inches; 12.63 ounces[Submersible pump function] IP68 waterproof, can be used as a submersible pump, the outlet diameter is 12/16mm, compatible with most hose diameters.Features4 in 1 multifunctional aquarium filter1. Internal aquarium filter: 2 sponges are included. It absorbs waste and filters the aquarium water2. Wave pump: accelerate the circulation of waste and water, and simulate the virtual natural environment of fish3. Increase oxygen: valve air hose allows you to control the air flow, no matter what you need4. Water pump: remove the sponge part, connect the external filter, circulate in the fish tank water, keep it clean