SOUSLOW Aquarium Filter Cartridge

• Carefully insert the filter element into the slots on both sides of the filter chamber with the sponge facing the aquarium to ensure that the filter element is securely in place in the filter chamber.
• It is suggested to clean or replace the filter element every 3-4 weeks to get clean water and healthy fish.

One box contains 6 pieces?? Carefully insert the filter element into the slots on both sides of the filter chamber with the sponge facing the aquarium for you that the filter element is in place in the filter chamber. It is suggested to clean or replace the filter element every 3-4 weeks to get clean water and healthy fish.