Toilets with gallons per flush of 1 & left
| Compare | Title | Color(s) | Bowl Shape | Width | Configuration | Gallons Per Flush | Bowl Height |
| Add to compare |  Kohler K-3597 |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, Thunder Grey, White | Elongated | 19.5 | One 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 |
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-3531 |
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 |