Tank - American Standard 4021 1.28GPF Left handed Toilet Model: K3678

Toilet Model: K3678

Lid P/N: 4472

Lid 83037 Can be purchased separately

Tank P/N: 4037

Tank Size: 14" x 8"

Tank - American Standard 4021 1.28GPF Left handed Toilet Model: K3678Manufacturer: American Standard Tank P N: 4021 1. 28GPF Rough In: 12" Bolt Spacing: 6. 375" center to center Tank Only, does not include lid or internal parts. Internal parts and Lid 735121 Can be purchased separately RELIANT Model *Please note there are 2 different versions of the 4021 tank, one is 1. 28gpf and one is 1. 6gpf. The porcelain for these tanks are identical with the same bolt spacing, bolt size, and bolt location. The only difference is