Manufacturer: GERBER Part Number: 28-199 Lid Size: 18.75″ x 6.75″ Tank P/N: 28-195, 28-495 Tank Size: 18.25″ x 6.5″
For the 10″ Rough-In version of the Gerber Maxwell toilet. This is a fairly rare lid and it is much more likely that you need the standard Gerber 28-499 for 12″ rough-in toilets.
