Milliard Automatic Pool Vacuum Cleaner Quietly Crawls The Floor, For Under Ground Pools Vacuum operates on its own, using suction from the pool filter-pump to move itself and clean up dirt. No wires, garden hoses or poles needed. Just connect the vacuum hose to the pool filter and drop it in the pool. Dual suction ports increase cleaning power and minimize clogs. Uses quick-connect hose link to pool system for easy and secure attachment. Built with quality polymer plastics and functions with only one moving part to maximize its operating life.