1 Durable and Silence: reinforced plastic shell, stainless steel shaft core, durable, ultra-quiet operation, energy efficient.2 Easy to install: built-in biochemical filter plate, 5pcs biochemical ball. With a hook for the activity and 2 suction cups, you can hang it on the glass wall of the turtle cylinder.3 Keep it clean: Contains bio-cotton cotton, which has a wide surface area and is easy to clean. It can filter out dirt, cause discoloration, produce odor and toxic substances.4 Multi-purpose: Combined filter bucket, easy to disassemble, suitable for fresh water and sea water, and suitable for aquaculture of various aquatic plants and various fish and water turtles.5 Benefits: This turtle filter helps water circulation, and the activated carbon box and biosphere help clean water, absorb odors and discoloration, and provide healthy water for your aquarium.1* Turtle cylinder low water level filter