【Keep the water clear and clean】 Biochemical cotton, culture of nitrifying bacteria, multi-layer design, with a large surface area to filter impurities. Make the water quality clearer. 【Multi-layer design】Multiple filtering, the bottom of the filter is a layer of biochemical sponge, the bracket is made of air stone, and then covered with a funnel outlet, for better filtering effect. 【High Quality】Our biochemical sponge filter is made of high quality plastic, strong and durable. 【With Suction Cup】Strong suction cup, durable and beautiful, easy to clean and install. 【Note】Aquarium filters need to be matched with oxygen pump.Size: Height: approx.9.8cm/3.9in, width: approx.3cm/1.2in.< /p>
