Toilets with gallons per flush of 1
| Compare | Title | Color(s) | Bowl Shape | Width | Configuration | Gallons Per Flush | Bowl Height |
| Add to compare |  Kohler K-3652 |
Almond, Biscuit, Black Black, Mexican Sand, Sandbar, White | Elongated | 21.25 | --- | 1 | 15 |
| Add to compare |  Kohler K-3578-T |
Almond, Biscuit, Black Black, Mexican Sand, Sandbar, White | Elongated | 21.25 | Two Piece | 1 | 17 |
| Add to compare |  Kohler K-3578 |
Almond, Biscuit, Black Black, Mexican Sand, Sandbar, White | Elongated | 21.25 | --- | 1 | 17 |
| Add to compare |  Kohler K-3531-TR |
Almond, Biscuit, Ice Grey, Innocent Blush, Mexican Sand, Navy, Sandbar, Seafoam Green, Skylight, Thunder Grey, Timberline, White, Wild Rose | Elongated | 21.25 | Two Piece | 1.1 | 15 |
| Add to compare |  Schon SCN2310 |
White | Elongated | --- | Two Piece | 1 | 16.5 |
| Add to compare |  Kohler K-3519-T |
Almond, Biscuit, Black, Ice Grey, Innocent Blush, Mexican Sand, Navy, Sandbar, Seafoam Green, Skylight, Thunder Grey, Timberline, White, Wild Rose | Elongated | 21.25 | Two Piece | 1.1 | 17.13 |
| Add to compare |  Kohler K-3519-RA |
Almond, Biscuit, Black, Ice Grey, Innocent Blush, Mexican Sand, Navy, Sandbar, Seafoam Green, Skylight, Thunder Grey, Timberline, White, Wild Rose | Elongated | 21.25 | Two Piece | 1.1 | 17.13 |
| Add to compare |  Kohler K-3652-T |
Almond, Biscuit, Black Black, Mexican Sand, Sandbar, White | Elongated | 21.25 | --- | 1 | 15 |
| Add to compare |  Kohler k-3519 |
Almond, Biscuit, Black, Ice Grey, Innocent Blush, Mexican Sand, Navy, Sandbar, Seafoam Green, Skylight, Thunder Grey, Timberline, White, Wild Rose | Elongated | 21.25 | Two Piece | 1.1 | 17.13 |
| Add to compare |  Kohler K-3652-RA |
Almond, Biscuit, Black Black, Mexican Sand, Sandbar, White | Elongated | 21.25 | Two Piece | 1 | 15 |