13 in 1 filter, included filter, increase oxygen, pump water. 2The shell adopts high-quality ABS material, durable, good insulation performance and no water leakage. 3The shaft core and shaft sleeve are made of high quality ceramic or stainless steel, which is resistant to acid and alkali and corrosion. 4Built-in high quality biochemical filter cotton, effectively promote the reproduction of nitrifying bacteria, high density, good water permeability, can be used repeatedly. 5Suitable for all kinds of aquarium, ecological tank water circulation, biochemical filtration purification water quality, and support oxygen function. 6Duck beak water flow adjustment head, adjustable flow, adjustable direction. 7Top filling glue to seal, security is strong. 8Uniform flow of water through the bottom rail of the base, concentrating the transport capacity to avoid inhalation of small fish, and the suction is better.
