1The shell adopts high-quality ABS material, durable, good insulation performance and no water leakage. 23 in 1 filter, included filter, increase oxygen, pump water. 3Built-in high quality biochemical filter cotton, effectively promote the reproduction of nitrifying bacteria, high density, good water permeability, can be used repeatedly. 4Suitable for all kinds of aquarium, ecological tank water circulation, biochemical filtration purification water quality, and support oxygen function. 5Duck beak water flow adjustment head, adjustable flow, adjustable direction. 6Top filling glue to seal, security is strong.
