Rooftop Ventilation J-Vents
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J-Vents
| Size | CMI # | QTY | N.F.V. | Flange |
|---|---|---|---|---|
| 3 inch | JV328 | 24 | 7 sq. in. | 3 in. x 8 in. |
| 4 inch | JV428 | 24 | 12 sq. in. | 4 in. x 9 in. |
| 4 inch - 12 in. Base | JV428-1212 | 24 | 12 sq. in. | 4 in. x 12 in. |
| 8 inch | JV826 | 4 | 50 sq. in. | 8 in. x 15 in. |
