Aquarium Fish Biochemical Sponge Filter Bio Air Pump Practical Useful Tank Shrimp Suction

Made of food-grade materials, absolutely safe; Unique eco-friendly green style design and filter operation is no noise, Let your loved fish as living in the nature, ease freely Sponge filters provide both mechanical and biological filtration -- Simple, effective,easy to clean (squeeze in tank water), Working perfect getting your fish tank water super clean and clear Easy to use: Simply install an airline tubing and an air pump into the unit,The water flow exit tube on the sponge filter is adjustable so you can change direction and height of the water flow Dual sponge design, it quickly established a biofilter, two sponges means more surface area for bacteria and faster cycling