Tzong S Size Double Bio Sponge Filter

• Sponge filter provide both mechanical and biological filtration
• The air infusion chamber produces minute bubbles which increase the oxygen solubility
• Simply install an airline into the unit and turn on the air pump
• Rinse and squeeze sponge in tank water
• Nitrifying bacteria, and the sponge can absorb fine particles to achieve the effect of purifying water
• The water flow is controlled by the airflow, which is small and slow and does not impact the fish
• Suitable for shrimp tanks, betta fish tanks, breeding ponds, goldfish, juvenile fish or other fish

SKU:2160318