Made of organic silicon, the Pool Piston is strong, flexible, and durable. This replacement diaphragm component regulates water flow, making your pool cleaner work normally like new again. Compatible with Baracuda G3/G4 and Zodiac Baracuda 2/3/Zoom Swimming Pool Cleaners. Easy to install in only 30 seconds. Features 1. High-quality material: Made of organic silicon, which is strong, flexible, durable, and can be used for a long time. 2. Easy to install: 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. 3. Function: These diaphragms regulate water flow and make the cleaner work normally, and the pool cleaner will operate like a new one. 4. Compatible models: 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 Quantity: 1 Pc Size:15x4.5x4.5cm Color: Yellow Package Included: 2xPool Piston