DIAPHRAGM ASSEMBLY: The Sloan A-44-A Regal water closet diaphragm assembly is designed as a replacement part for 2.4 GPF flushometers. It includes all the necessary components for a successful installation. QUALITY MATERIALS: The water closet diaphragm assembly is built with Sloan's proprietary natural rubber material and features a brass bypass. COMPATIBILITY CHECK: The assembly is specifically designed to work as a part for our line of Regal flushometers. Always make sure to check part compatibility to ensure a quick, hassle-free repair. SLOAN GENUINE PARTS: Extend the life of your Sloan products. Our products perform at their highest levels when maintained exclusively using Sloan Genuine Parts. We offer the largest selection of best-in-class parts, manufactured and tested to Sloan specifications, specifically designed for the most reliable commercial restroom products. This means fewer repairs and protects your investments. WATER CONNECTS US: Every day around the world, Sloan products connect the systems that manage our planet?s most precious resource. As the world?s leading manufacturer of commercial plumbing systems, we?ve spent more than a century pioneering smart, water-saving restroom solutions that are built to last a lifetime.