Genuine Gerber part 99-611 flush valve for Gerber Peewee toilets. This flush valve come with the flapper, flush valve gasket, and nut. This is a 2" flush valve. This replaces Gerber flush valve 99-608. Other part numbers for this flush valve are G0099611, 0099611, 99611, G0099608, 0099608, 99608.