Toilets with flush valve size of 3 & width of 15.75
| Compare | Title | Color(s) | Bowl Shape | Width | Configuration | Gallons Per Flush | Bowl Height |
| Add to compare |  Kohler K-3977-TR |
Almond, Biscuit, Black Black, Ice Grey, Sandbar, White | Round | 18 | Two Piece | 1.6 | 14.5 |
| Add to compare |  Kohler K-3977-T |
Almond, Biscuit, Black, Ice Grey, Sandbar, White | Round | 18 | Two Piece | 1.6 | 14.5 |
| Add to compare |  Porcher 90850-60 |
Biscuit, White | Round | 17.25 | Two Piece | 1.6 | --- |
| Add to compare |  Porcher 90750-28 |
Biscuit, White | --- | 17.25 | Two Piece | --- | --- |
| Add to compare |  Kohler K-3999-TR |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3997-U |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Round | 18 | Two Piece | 1.28 | 14.5 |
| 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-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 |