The simple and practical Fish Tank Filter Tool is very suitable for fish tank or aquarium use, and very suitable for the water quality purification in the fish tank. Therefore, an gift choice for your friends who want to farm some pet . Can be used in a variety of ways, not only can solve fish tank water , but also can save you time. Features -Color:As Shown -Material:Activated carbon -Size:10.00X10.00X10.00cm/3.93X3.93X3.93in - It is suitable for personal household fish tanks or store fish tanks, and the method of use is simple. - The filter is made of high-class activated carbon materials and is safe to use for fish. - This filter can make your fish tank or aquarium look cleaner and fresher. - It can be given to your close friends or family who want to keep pet fish as a gift. - The unique design and craftsmanship popularity and practicality. Package list: 4 x Aquarium Filter Media