Kohler K4543 Reproduction Color:White The lid is designed to

The lid is designed to accommodate tank internal parts that stick up as much as 0

Lid P/N: N7715TL

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

Toilet Model: Fairfield

This tank lid fits the 4083

Kohler K4543 Reproduction Color:White The lid is designed toManufacturer: KOHLER New Lid P N: Old Lid P N: K4543 Lid Size: 21. 5" x 8. 5" Tank P N: Tank Size: 20. 75" x 8" Toilet Model: This is a reproduction toilet tank lid. These lids are custom designed with sophisticated 3D modeling software and manufactured in North Carolina. It is available as a beautiful sapele wood tank top simply coated with marine grade spar urethane to provide moisture resistance and also available to match any toilet manufacturers