Toilets with gallons per flush of 1.28 & width of 15.75
| Compare | Title | Color(s) | Bowl Shape | Width | Configuration | Gallons Per Flush | Bowl Height |
| Add to compare |  Kohler K-3997-RZ |
Almond, Biscuit, Black, Ice Grey, Sandbar, White | Round | 18 | Two Piece | 1.28 | 14.5 |
| Add to compare |  Kohler K-3997 |
Almond, Biscuit, Black Black, Dune, Ice Grey, Sandbar, White | Round | 18 | Two Piece | 1.28 | 14.5 |
| Add to compare |  Kohler K-3889-RA |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3816-RA |
Almond, Biscuit, Black Black, Dune, Ice Grey, Sandbar, White | Elongated | 17.81 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3998-UT |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 14.5 |
| Add to compare |  Kohler K-3999-UR |
Almond, Biscuit, Black, Dune, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3999-T |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3999-RZ |
Almond, Biscuit, Black, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3999-RA |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3998-UR |
Almond, Biscuit, Black, Dune, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 14.5 |