CarbonBlock - High-Efficiency Activated Carbon Filter

The Cube Aquarium filter is made of activated carbon with a dense mesh structure.
It can absorb 99% of harmful bacteria in the aquarium, while also eliminating odors.
It effectively reduces nitrate bacteria and regulates pH.
Organic waste can also be absorbed from the aquarium.
Replace or clean it every 3 to 6 months, saving time and energy.
Excellent filter material.