Gerber - Toilet Parts | Toilet Tank Parts | Toilet Replacement Parts
3 Inch Toilet Flapper, Compatible with Gerber Toilet Flapper 99-788, Toilet Tank Flush Valve 3 in. Rubber Stopper Replacement Kit, Easy-to-Install Toilet Bowl Seal Repair Parts, Blue (Pack of 2) - Amazon.com
Toilet Flapper Replacement Kit for 99-827 Toilet Flap Parts Toilet Flapper Toilet Rubber Flapper and Chain Toilet Replacement Parts For Similar Models (Clear,2 Pieces) - Amazon.com
Toilet Flappers Replacement Compatible for GA715014-GEG1 (Transparent) - Amazon.com
Gerber Toilet Parts Tank Number 28-290 – GriggIndustries.com
Viper® 1.28 gpf 10" Rough-In Two-Piece Round Front Toilet