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Advanced Drainage Systems, Inc.

We offer the following diameter culverts:
10 in.
12 in.
15 in.
18 in.
24 in.
30 in.
36 in.
42 in.
48 in. |
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In 20, 24, and 30 foot lengths
Other sizes available on special order
Call for a price today!
Flashboard Risers

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|   | Discharge Diameter for ADS Pipe |
| W x H | 6 in. | 8 in. | 10 in. | 12 in. | 15 in. | 18 in. | 24 in. | 30 in. | 36 in. |
| 18x24 | X | X | X | - | - | - | - | - | - |
| 30x36 | - | - | - | X | X | X | X | - | - |
| 30x48 | - | - | - | X | X | X | X | - | - |
| 42x36 | - | - | - | - | - | X | X | - | - |
| 42x48 | - | - | - | - | - | X | X | - | - |
| 30x72 | - | - | - | X | X | X | X | - | - |
| 48x72 | - | - | - | - | - | - | X | X | X |
Click Here to see installation instructions
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