The W69698 diaphragm regulates water flow to keep your pool cleaner running to keep your pool clean and the cleaner working. Features: The W69698 pool cleaner diaphragm is fits for Zodiac Baracuda G3, G4, Alpha 2 and Alpha 3. Made of high quality rubber material, it's sturdy and flexible. After replacing the diaphragm of this swimming pool cleaner, it will greatly improve the cleaning ability of your swimming pool cleaner. This component is easy to insert and can be replaced within seconds. Specifications: Material: Rubber Color: Yellow Diaphragm Number: W69698 Compatible With Model: Zodiac Baracuda G3,G4,Alpha 2,Alpha 3 Diaphragm Size(LxW): 15 x 4.6 cm(Approx.) Retaining Ring Diameter: 3.5 cm(Approx.) Package Contents: 2 x Diaphragms 2 x Retaining Rings Please note: Please compare the part number with your original one before purchasing! Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.