【Function】: The diaphragm is one of the most important parts of the G3, G4 bottom cleaner. Regulates the water flow and allows the bottom cleaner to work properly 【Compatibility】: Compatible with Zodiac Baracuda G3 and G4 pool cleaners 【High Quality】: Strong, flexible, durable as a long-lasting diaphragm. 【Package Includes】: 2 Diaphragms and White Retaining Rings Included It is not manufactured or sold by Zodiac Baracuda, but has the same performance as the original.