AquaSource Toilet Parts

Gerber 99-770 Flapper
Gerber 99-770 Flapper
GER-99-770
$5.24
Gerber 99-770 Flapper
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Gerber 99-770 or G0099770 Flapper For all Gerber 3 Inch Flush Valves. This flapper is also stamped WDI B4802-1 on the top. This flapper also has a blue insert in the bottom. It also fits several different brands, such as universal Rundle, Aqua Source, and Jacuzzi toilets.