Key features

• The aquarium filter water cube is made of activated carbon, a dense grid hole structure.
• It can absorb 99% of harmful bacteria in the aquarium, as well as odor.
• It can effectively reduce the nitrate bacteria in the aquarium and adjust the PH value.
• It can also absorb the organic waste in the aquarium.
• Change or clean every 3 or 6 months, save to your energy and time.
• Great filtration material.
• Specification
• Color: Black
• Material: Activated Carbon
• Structure: Dense Grid Hole
• Caution:
• 1. Rinse clean and then use;