Tank - Aquasource 98923 Version 2 Left handed Lid P/N: CU-71

Lid P/N: CU-71

but regardless it will be an OEM American Standard kit for the 4192A tank

Tank Size: 21" x 7"

say "package is labeled and ready to go" and leave it on the counter

Tank - Aquasource 98923 Version 2 Left handed Lid P/N: CU-71Manufacturer: Aquasource Tank P N: 98923 Rough In: 12" This version is slightly larger than version 1. If your tank is version 1 and you replace it with this tank, your tank lid will likely not fit. Your tank without the tank lid should measure at its maximum left to right and front to back. If it is smaller, you need version 1. To determine if you have version 1 or 2, remove your tank lid and measure just the tank, at its maximum outside to outside,