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(Adobe Acrobat required.) | | |  |  Plenum Diffuser System  Features: - Drum louver for vertical and horizontal air control
- Turning vane in each quadrant
- Standard TCD duct connection
- 3/8" threaded insert in each corner for mounting
- 18 ga. Galvanized steel construction
- 1", 1-1/2lb internal insulation
- Curb and duct packages
| |  |  | | | MODEL | A | B | C | OW x OH | Nominal CFM | | DDLD 1806-5 | 24" | 14" | 9" | 19-1/8 x 7" | 2000 | | DDLD 2406-7.5 | 30" | 18" | 9" | 25-1/8 x 7" | 3000 | | DDLD 3006-10 | 36" | 22" | 9" | 31-1/8 x 7" | 4000 | | DDLD2510-12.5 | 31" | 24" | 13" | 26-1/8 x 11" | 5000 | | DDLD 3010-15 | 36" | 28" | 13" | 31-1/8 X 11" | 6000 | | DDLD 4010-20 | 46" | 30" | 13" | 41-1/8 X 11" | 8000 | | DDLD 5010-25 | 56" | 36" | 13" | 51-1/8 X 11" | 10000 | | DDLD 5012-30 | 56" | 38" | 15" | 51-1/8 X 13" | 12000 | | | |
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