The Lee S Aquarium & Pet Products Stretch Gravel Cleaner is designed to effectively remove debris from aquarium gravel. Its stretchable feature allows it to reach from 9 to 17 inches making it suitable for use in various tank sizes. The package includes one stretch gravel vacuum cleaner complete with two 9-inch cylinders self-start cap assembly and a 72-inch long hose. Specifications Stretchable from 9 to 17 inches Comes with two 9-inch cylinders and self-start cap assembly Includes a 72-inch long hose Features Effectively separates and removes debris from aquarium gravel Suitable for use in various tank sizes - SKU: BCI14909