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| Heavy duty. Excellent as inlets in parking lots. (Also available with square holes. Specify B-1867B). |
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| Heavy duty. Excellent as catch basins in parking lots. Also used as gutter inlets. |
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| Heavy duty three sided frame with grate and free standing hood. |
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| Heavy duty. Similar to B-3256B except fits a 24 inch gutter. Provides extra drainage. Has adjustable hood. |

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| Heavy duty. Most popular. Fits standard 18 inch gutter and has adjustable hood. |
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| Heavy duty. Very good drainage. Available with a 3-sided frame for the grate. |
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| B-3411-A |
Single |
| B-3411-B |
Double |
| B-3411-C |
Triple |
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