Toilets with gravity flush & class five
| Compare | Title | Color(s) | Bowl Shape | Width | Configuration | Gallons Per Flush | Bowl Height |
| Add to compare |  Kohler K-3978-TR |
Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.6 | 14.5 |
| Add to compare |  Kohler K-3977-RA |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Round | 18 | Two Piece | 1.6 | 14.5 |
| Add to compare |  Kohler K-3949-UR |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18.25 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3999-UT |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3999-U |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3997-UT |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Round | 18 | Two Piece | 1.28 | 14.5 |
| Add to compare |  Kohler K-3997-TR |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Round | 18 | Two Piece | 1.28 | 14.5 |
| Add to compare |  Kohler K-3997-T |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Round | 18 | Two Piece | 1.28 | 14.5 |
| 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 |