[Adjustable flow] The oxygen tube button can manually adjust the gas flow of the aquarium filter, which can adapt to different usage scenarios. The maximum flow rate can reach 500L/H. [Physical filtration] Filters with large capacity filter boxes (sponges and biochemicals) are used for multi-layer filtration. It automatically absorbs feces, debris and residue in the water, creating a healthy and clean environment for your fish or turtles. [Super quiet] The sound is less than 35 decibels, the filter Built-in aquarium filter adopts high-quality motor design, provides a quiet working environment and you can use it in the room. [Aquarium Indoor Filter] power 15W, product size 5x 5.5 x 20 cm. (Power cord length: 110cm ), [Widely applicable] The aquarium sponge filter can be installed anywhere, very suitable for shrimp aquariums, battle aquariums, breeding aquariums, fish tanks, turtles, goldfish, discus, crayfish, fry, juvenile fish or other fish. Quantity delivered: 1 piece Product color: white Product specification: 5*5.5*20cm Good quality product