Heavy-Duty Pool Cleaners, Easy to Install, Universal, Replace Flexible Accessories, Long Service Life, Professional Description: Type: W69698 Pool Cleaner Diaphragm. High-Quality Material: The pool cleaner diaphragm is processed with high-quality rubber material, which is strong, flexible, durable, and has a long service life. Function: The pool cleaner diaphragm with retaining ring can adjust the water flow, keeping the pool cleaner running and the pool clean. Easy Installation: The pool cleaner is easy to install without the need for professional or complicated tools. Simply snap the pool diaphragm into place in 30 seconds, saving you time and energy. Lightweight: The rubber pool cleaner diaphragm is lightweight, very easy to carry, and portable. Size Chart: 15cm x 4.6cm / 5.91in x 1.81in, 3.5cm / 1.38in. Package Includes: 2 Diaphragm Pool Cleaners, 2 Retaining Rings. Note: Please allow slight errors due to manual measurement and different monitors.