Kohler 1381494 Reproduction Color:White 75" Flush Valve Diameter: 2"Gallons

75" Flush Valve Diameter: 2"Gallons per Flush: 1

Tank Part Number:  123 or 386 or 387

Tank P/N: 5380-CS5-AA

There is another item that is completely different by Universal Rundle with the part number 4445

Kohler 1381494 Reproduction Color:White 75" Flush Valve Diameter: 2"GallonsManufacturer: KOHLER Lid P N: 1381494 Lid Size: 18. 125" x 8. 75" Tank P N: F78274 CS AB, F78274 CS AA, K78276, K78276 0 Tank Size: 17. 5" x 8. 25" Toilet Model: K 30369 Highline Curve 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