Positive Jet Design: The high-quality positive jet design can generate high pressure and save water. It can penetrate every filter pleat and remove debris and dirt from the filter in seconds. Simple Operation: The Start/Stop button is easy to use. Press the Start button when using. Press the Stop button when cleaning is complete. Water Volume Control: The regulator dial can control the required water flow. Install the hose connectors to extend the length of the pool filter nozzle cleaner. Save time and effort: Save yourself tedious cleaning work and complete the excellent work of a pool filter cleaner in seconds. Compatible: Compatible with most pool filters on the market (filters not included).