Features:1. Progressive filtration: It can be matched with different filter materials to meet the filtration needs of various fish for different water quality. No need to change water, more convenient and trouble-free.2. Made of automotive grade acrylic material, it is not easy to break.3. Integrated modeling, one-time molding, to avoid water leakage.4. The waterfall type water outlet can improve the effect of living water and aeration.5. Tools such as tweezers can also be placed in the holes on the support partition.Notice:Due to the different monitor and light effect, the actual color maybe a slight different from the picture color.Please allow slight differs due to manual measurement.:Material: AcrylicSize: As the picture shownBattery: NoColorStyle: As the picture shownApplication: RoundSquare Fish TankPackage List:choice 1: 1 x 3-in-1 External Fish Tank Filter Boxchoice 2: 1 x Support Board