Tank - Aquasource 98923 Version 1 Color:White Lid Bottom Maximum Dimensions: 12

Lid Bottom Maximum Dimensions: 12

Tank Size: 14" x 6

Simply take a piece of cardboard and place it on top of the tank

There is another tank that will fit in place of this tank

Toilet Model: Serif

Tank - Aquasource 98923 Version 1 Color:White Lid Bottom Maximum Dimensions: 12Manufacturer: Aquasource Tank P N: 98923 Rough In: 12" Flush Valve: 3" Bolt Spread Center to Center: 6" This is the smaller of the 2 versions of this tank. Your tank should measure left to right and front to back at its maximum without the tank lid. If your tank is larger, you need version 2. To determine if you have version 1 or 2, remove your tank lid and measure just the tank, at its maximum outside to outside, left to right and front to back.