1. Innovative Mesh Layer: The multimesh and porous honeycomb design of the water tank carbon filter provides purification to remove more impurities from the water for a healthier environment. Trust our unique filter to provide clean, clear water for fish. 2. IMPROVED WATER QUALITY: Use this aquarium carbon filter to keep the water tank clean. Its practical design removes odors, colors, organic pollutants and harmful substances from the aquarium. Enjoy the hassle installation and extended life of the filter media. 3. EASY MAINTENANCE: The carbon filter in this aquarium is a convenient water filter cube that ensures the removal of odors, impurities and organic substances from the water. For easy maintenance, simply wash it with soap bar and warm water and put it back into the tank. 4. filtration power: By removing dirt, turbidity and odor from the aquarium, the carbon filter in this aquarium creates an habitat for the life in the aquarium. Made from activated carbon block for reliable longlasting performance as it is powder and of impurities.