Tank - Gerber 28-590 Version 2 Color:White The two tanks are not

The two tanks are not interchangeable

Manufacturer: Quasar

Carefully measure from center to center of your bolts before ordering to avoid costly return shipping charges

Manufacturer: Eljer

Toilet Model: PERFECTA

Tank - Gerber 28-590 Version 2 Color:White The two tanks are notManufacturer: Gerber Model: Viper Tank P N: 28 590 Rough In: 12" Flush Valve Diameter: 3" Gallons per Flush: 1. 28 Tank, includes porcelain only. Does not include tank lid or internal components. Those can all be purchased separately. Note: Gerber made 2 versions of the 28 590. They are different in flush valve size. If you are unsure about which one you need, please contact us to confirm.