| Customization: | Available |
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| After-sales Service: | on Line Service |
| Warranty: | One Year |
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Spiral Ducts Grille Damper
1,Opposed blade air damper is use for square diffuser and air grilles.
2,The blades are linked to each other, as long as connecting to power supply, all the blades will move; the air ventilation and cervix area will get larger or smaller.
3, The damper adopts gear theory. Compared with traditional products, it is superior at low noise and stable blades adjustment and so on.
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