American Standard 735168 Reproduction Color:Linen Tank P/N: 4420

Tank P/N: 4420

Tank P/N: K-4421

and both are stamped with the same part number

Manufacturer: Unknown Lid P/N: Old version of 3

Lid Size:  20

American Standard 735168 Reproduction Color:Linen Tank P/N: 4420Manufacturer: AMERICAN STANDARD Lid Part Number: 735168 Lid Size: 15. 5" x 8. 75" Tank Part Number: 4000 (there are multiple versions of the 4000 tank, this is the one that matches up with the dual flush lid 735168) Tank Size: 15" x 8. 25" Toilet Model: Studio Tank Lid only button will not be provided This is a reproduction toilet tank lid. These lids are custom designed with sophisticated 3D modeling software and manufactured in North Carolina. It is