Feature:1. The propeller design, to separate the waste from the water and collect it at the bottom.2. Water pumping and changing, filter impurities in water to make fish have a cleaner water environment.3. Silent operation, won\u0027t disturb your sleep.4. Connect air pump for use. Easy to disassembly and cleaning.5. If there are any problems, please contact with our store in time. We will give you a satisfactory solution.Specification:Features:The propeller design, to separate the waste from the water and collect it at the bottom.Water pumping and changing, filter impurities in water to make fish have a cleaner water environment.Silent operation, won't disturb your sleep.Connect air pump for use. Easy to disassembly and cleaning.If there are any problems, please contact with our store in time. We will give you a satisfactory solution.Specification:Item: Fish Tank FilterMaterial: PlasticMain Color: Black and TransparentSize Optional: 67*160mm; 67*255mm; 67*350mmNote:Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.Please allow 10-20mm measuring deviation due to manual measurement.Package Information:Package Size: S: 7*7*16.5cm; M: 7*7*26cm; L: 7*7*36cmPackage Weight: S: 250g, M: 300g, L: 400gGift Box PackagePacking List:1* Fish Tank FilterPackage List:1* Fish Tank Filter