Original Equipment Manufacturer (OEM) Replacement Flush Valve for the Gerber 99-652 flush valve. Includes an OEM replacement flush valve body with locking nut and gasket, 2” 99-647 OEM replacement flapper, refill tube, and installation instructions. Used in various 2 piece Gerber toilets. Can be used in MOST variants of the following tanks: 28-490, 28-492, 28-494, 28-790, 28-794, 28-795. Model and part information is typically printed inside of the tank. Check the height of the existing fill valve and flapper size to verify fit. The Flush Valve Body is 9 1/2” high from the bottom of the base to the top of the overflow tube. Overflow tube (shank) is 7 3/4” high from the bottom of the overflow tube to the top of the overflow tube. See pictures. Exact color and shape of components may vary slightly due to minor revisions of the parts by Gerber although this product is backwards compatible with older revisions of the same part with identical or improved performance. Meets or exceeds all applicable US and Canadian Plumbing Standards Comes in an economical plastic bag and clamshell with cost savings passed on to the customer. Original Equipment Manufacturer (OEM) Replacement Flush Valve for the Gerber 99-652 flush valve.