Tank - Gerber 28-590 Version 1 Color:Bone Note: Gerber made 2 versions

Note: Gerber made 2 versions of this toilet tank and they are not interchangeable

Briggs made this originally as a 3

Also it is sometimes marked Universal Rundle

Tank Approximate Maximum DImensions: 20

Tank - Gerber 28-590 Version 1 Color:Bone Note: Gerber made 2 versionsManufacturer: Gerber Model: Viper Tank P N: 28 590 Rough In: 12" Flush Valve Diameter: 2" Gallons per Flush: 1. 6 Tank, includes porcelain only. Does not include tank lid or internal parts. Note: Gerber made 2 versions of this toilet tank and they are not interchangeable. They differ is size based on their flush valve. If you are not sure which one you need, please contact us.