Original Equipment Manufacturer (OEM) Replacement part for American Standard 7381129-200.0070A flapper. Includes new 2” (inch) soft flapper, float, and stainless steel chain with hook. Used in multiple American Standard toilets with a 1.28 gallon flush (typically printed behind the toilet seat). SOME ADJUSTMENT of the included stainless steel chain on the flapper may be required as each individual toilet will vary slightly. Also note that some toilets that use this part require the handle to be held down for 1-2 seconds for a full flush by design. Easy tool-less installation in less than 5-10 minutes. Comes in an economical clamshell with cost savings passed on to the customer. Meets or exceeds all applicable US and Canadian Plumbing Standards. Note that the exact shape of the components may vary slightly, particularly with this flapper. There have been multiple OEM manufacturers for this part over several years as well as minor part revisions by American Standard or the OEM manufacturers. However, this product is compatible with older revisions of the part with identical or improved performance. OEM / Original 2” replacement flapper for American Standard 7381129-200.0070A Flapper with Float