Practical Aquarium Filter Tank Biochemical Sponge Filters Mini Multi Layer Filter For Small Fish Tank Sponge Filter Pumps Name: Mini Filter Material: Plastic, Air Stone, Biochemical Filter Cotton Color: White Package: 1* Mini Filter+ 1* 1m Rubber Hose Specifications: Keep Water CleanThe principle of biological filtration and the use of multi-level filtration to cultivate high-density nitrifying to achieve clean and good water quality stability. Multi-layer DesignFilter for times, the bottom of the filter is a layer of biochemical sponge, the medium is gas stone, and then the outlet of the funnel is covered, the filtering effect is better. MaterialOur biochemical sponge filter is made of environmentally friendly plastic, strong and durable. With Suction CupThe filter has a powerful suction cup, which is durable and easy to clean and install. ApplicationThis filter is suitable for ornamental fish breeding, breeding, and young fish cultivation, especially for small fish and fry. Package Included: 1* Mini Filter+ 1* 1m Rubber Hose