High Quality: Our biochemical sponge filter is made from high quality plastic material, which is sturdy and durable. Keep the water clear & Clean: The aquarium sponge filter adopts biochemical cotton, cultivating nitrifying bacteria, multi-layer design, with a large surface area to filter impurities. Make the water quality clearer. With suction cup: The aquarium sponge filter with powerful suction cup, durable and beautiful, easy to clean and install. Multi-layer design: multiple filtering, the bottom of the aquarium sponge filter is a layer of biochemical sponge, the middle is air stone, and then covered with a funnel outlet, better filtering effect. < p>Note: The aquarium sponge filter should be matched with oxygen pump. Size: Height: Approx. 9.8 cm / 3.9 inch, width: approx. 3cm / 1.2in.
