Description: Function: These diaphragms regulate water flow and make the cleaner work normally, and the pool cleaner will operate like a new one. High-quality material: Made of organic silicon, which is strong, flexible, durable, and can be used for a long time. Function: These Pool cleaner parts diaphragms regulate water flow and make the cleaner work normally, and the pool cleaner will operate like a new one. Package includes: 2 swimming pool pistons W69698 and 2 fixed rings W81600. After using this product, you will find that the cleaning ability of the pool cleaner has been greatly improved. Fitment: -Replaces Part number: W69698 -Fits for Zodiac Baracuda G3, G4, Alpha 2, and Alpha 3 pool cleaners, It also fits Zodiac Baracuda Pacer, Ranger 1500, Manta II, Genius, and Kontiki,Baracuda Ranger, Zoom, and Wahoo pool cleaner. (The Compatibility Is Just For Reference. Please Compare The Part Number With Your Original One Before Purchasing ) Features: Made of organic silicon, which is strong, flexible, durable, and can be used for a long time. It only takes about 30 seconds to remove the old one and replace the swimming pool diaphragm that it snaps into place; install this replacement diaphragm component effortlessly. These diaphragms regulate water flow and make the cleaner work normally, and the pool cleaner will operate like a new one. Suitable for: Baracuda G3, G4 swimming pool cleaners, and also suitable for Zodiac Baracuda 2, 3 and Zoom swimming pool cleaners. Specifications: Product Name: Pool Piston Color: Yellow Material: Plastic Package Included: 2 X Cassette Diaphragm 2 X Ring (Installed in the cassette diaphragm already) Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm) 3.There are no instructions included in this kit.If you want to know how to use or install it,please contact us by Email.We will provide help as much as possible.