Material:Made of high quality material,environmentally friendly,durable to use and easy to replace,suitable for various types of water Improve Water:The fish manure isolation bin design,isolate impurities and fishing waste,effectively improving water quality,perfect for your tank Feature:Strong suction,low noise and silent for operation,will not disturb or frighten your fish Easy to Use:Easy to disassemble and easy to clean Application:linked to air pump or three in one water pump,not recommended for use in fish tanks with sand.Note:Air pump not included, Weight: 0.59304348478 pounds, Manufacturer: mophrati