Toilets with width of 18
| Compare | Title | Color(s) | Bowl Shape | Width | Configuration | Gallons Per Flush | Bowl Height |
| Add to compare |  Toto CST716R |
Cotton | Elongated | 19.5 | Two Piece | 1.6 | 14.63 |
| Add to compare |  Toto CST715R |
Cotton | Round | 19.5 | Two Piece | 1.6 | 14.63 |
| Add to compare |  Porcher 97010-11 |
White | Elongated | 19.75 | One Piece | 0.8, 1.60 | 15, 16, 17, 18, 19 |
| Add to compare |  Kohler K-3813 |
Almond, Biscuit, Black Black, Cashmere, Dune, Ice Grey, Innocent Blush, Mexican Sand, Sandbar, Skylight, Sunlight, Tea Green, Thunder Grey, White | Elongated | 18.25 | One Piece | 1.28 | 16.25 |
| Add to compare |  Kohler K-3393 |
Almond, Biscuit, Black Black, Cashmere, Dune, Ice Grey, Innocent Blush, Mexican Sand, Navy, Sandbar, Skylight, Sunlight, Thunder Grey, White, Wild Rose | Elongated | 19.5 | One Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3324 |
Almond, Biscuit, Black, Cashmere, Dune, Ice Grey, Innocent Blush, Mexican Sand, Sandbar, Sunlight, Tea Green, Thunder Grey, White, Wild Rose | Elongated | 17.5 | One Piece | 1.6 | 16.13 |
| Add to compare |  Kohler K-3999 |
Almond, Biscuit, Black, Dune, Ice Grey, Sandbar, White | Elongated | 18 | Two Piece | 1.28 | 16.5 |
| Add to compare |  Kohler K-3812 |
Almond, Biscuit, Black Black, Cashmere, Dune, Ice Grey, Innocent Blush, Mexican Sand, Sandbar, Skylight, Sunlight, Tea Green, Thunder Grey, White | Elongated | 17.75 | One Piece | 1.28 | 16.25 |
| Add to compare |  American Standard 2486.010 |
Bone, Linen, White | Round | 18 | Two Piece | 1.6 | 14.5 |
| Add to compare |  Toto CST744E |
Cotton | Elongated | 19.5 | Two Piece | 1.28 | 14.63 |