3-in-1 Mini Filter Multi Layer Biochemical Sponge Filters Built-in Ultra-quiet Oxygen Pump For Aquarium Fish Tank

--Multi-layer design: the bottom is a layer of biochemical sponge, the medium is air stone, and the funnel outlet is covered

--Material: made of eco-friendly plastic, which is sturdy and .

--With suction cup: The filter has strong suction cup, , easy to clean and install.

--Scope of application: This filter is suitable for ornamental fish breeding, breeding and juvenile fish breeding, especially for small fish and fry.

--Size: 9.8x3cm