Original Equipment Manufacturer (OEM) Replacement part for American Standard 7381026-400.0070A flapper. Includes new 3” (inch) hard plastic flapper and stainless steel chain with hook. Easy tool-less installation and minor adjustment in 10-15 minutes. Exact position of chain and hook may require minor adjustment depending on the individual toilet. Note that a few toilets that use this part require the handle to be held down for 1-2 seconds for a full flush by design. Used for multiple models of American Standard High Efficient Toilets with a 1.28 gallon flush, including the Cadet 3. Flush information can typically be found under the logo behind the toilet seat or inside of the toilet tank. Meets or exceeds all applicable US and Canadian Plumbing Standards including UPC and CSA. Comes in an economical plastic bag with cost savings passed on to the customer. OEM / Original 3” replacement flapper for American Standard 7381026-400.0070A 1.28gpf Flapper