Shipping from China, estimated delivery time is around 10-15 days

To be used in conjunction with an air pump, simply connect the air pump to the hose and lower the filter into the water.
This product can store fish excrement and impurities in the middle compartment, absorb dirty water, and then send clean water back to the water tank. Automatic cleaning ensures healthy water quality.
The holes on the trachea are evenly distributed, ensuring smooth airflow and water flow. Enhance the fluidity of water and increase the oxygen content.
Cultivating bacteria+biological filtration: Cultivating nitrifying bacteria through quartz biological beads to maintain the ecological balance of aquarium water.