Positive jet design: the high-quality positive jet design can produce high pressure and save water. It can penetrate into any filter crease and remove dirt and dirt from the filter in a few seconds. EASY OPERATION: The start/stop button is easy to use, press the start button when you use it. Press the stop button when cleaning is complete. Water volume: the controller can control the required water flow. Install hose connections to increase the length of the pool filter nozzle cleaner. Save time and effort: save yourself tedious cleaning jobs and complete the excellent job of a durable swimming pool filter cleaner in seconds. Compatible: compatible with most swimming pool filters on the market (filter not included).