Engineered Duct SystemsPlenum
Underground Preinsulated Duct System
Plenum*
| ITEM# | Size | DWG | |
|---|---|---|---|
20-0010  | 20" x 24" x 36" [508 x 610 x 914 mm] |  | |
20-0015  | 25" x 30" x 48" [635 x 762 x 1219 mm] | |
*Custom plenum boxes available upon request. May require up to 2 week lead time.
Plenum Adapter
| ITEM# | Size | DWG | |
|---|---|---|---|
| 08-2560 | 8" [203 mm] | |  |
| 10-2560 | 10" [254 mm] | | |
| 12-2560 | 12" [305 mm] | | |
| 14-2560 | 14" [356 mm] | | |
| 16-2560 | 16" [406 mm] | | |
| 18-2560 | 18" [457 mm] | | |