Qanvee LH-300 Fluidized Filter Experience the power of nature within your aquarium with the Qanvee LH-300 Fluidized Filter. Inspired by the natural riverbed, this innovative filter imitates the flow of water, allowing nitrifying bacteria to thrive and play a crucial role in water purification. Features: Suitable for aquariums up to 150L Dark green chamber with new V-1 bio filter media, providing more surface area for beneficial bacterial colonization Self-cleaning filter technology eliminates the need for frequent filter material replacement Easy-to-remove intake sponge for additional mechanical and biological filtration Directions: Connect the filter to an air pump via airline tubing Attach the filter to the inner side of your aquarium using the supplied suction cups Media float initially and start tumbling in a few days Tips: Use aquarium water to wash filter media and sponge Place the air pump on top of the aquarium or use a check valve to prevent water from returning to the air pump in case of equipment/power failure Use a control valve to easily adjust desired air flow What's in the Box: Filter chamber x1 V-1 filter media (approx. 1/2 bottle) Air stone x1 Sponge filter x1 Suction cup x4