Saycker Double Sponge Filter for Aquarium, Aquarium Filter, Replaceable Double Sponge Filter for Freshwater and Salt Water Fish Tank (Colour: Black)

【Sponge Filter】Water flows through the biochemical sponge and filter material, which filters out the small impurities in the water and breaks down fish feces, accelerates the water cycle and stabilizes the water quality of the fish tank, but also increases water circulation and increases the oxygen content in the water. 【Size】The size of the sponge is 60mm x 130mm/2.36 x 5.12 inches (diameter x height), filter material height is 40mm/1.57 inches, telescopic tube length: (approx.) 270-420mm/10.63-16.54inch, Applicable Fish Tank Height: Approx. 300-600mm/11.8-23.6inch 【Easy to Use】Attached suction cup makes it easy to install and remove. It is universal in fresh water and suitable for breeding, breeding, fry, etc. of all kinds of ornamental fish. The filter in the box can effectively absorb harmful substances in the water, and filter materials such as quartz balls and volcanic stones can be placed. Do not place too small filter material to avoid clogging. 【Suitable tank】 The height of the fish tank to which the telescopic water outlet can be adapted is 300-600mm/11.8-23.6 inches. Suitable for shrimp tanks, betta fish tanks, breeding ponds, goldfish, discs, crabs, fresh fish, juvenile fish or other fish. 【Tips for use】Before using, soak it in the aquarium water for 5 minutes. Always use aquarium water to rinse the sponge, never hot water. Balls of bioceramic media with a protective powder layer, it was normal.