| Customization: | Available |
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| Material: | Galvanized Sheet |
| Usage: | Industrial |
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PVA Back Draught Damper
| Model | D | L1 | L |
| 100 | 96 | 6 | 88 |
| 125 | 121 | 19 | 88 |
| 150 | 146 | 31 | 88 |
| 160 | 155 | 36 | 88 |
| 200 | 197 | 56 | 88 |
| 250 | 247 | 61 | 128 |
| 315 | 312 | 94 | 128 |
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