Ventilation China Factory Price Aluminum Spiral Ducts Damper Air Grille

• Material: Alu. Plastic and Steel, Alu. Plastic and Steel
• Usage: for Air Conditioner, for Air Conditioner, for Air Conditioner, HAVC System
• Type: Venetian-Style Outlet, Venetian-Style Outlet
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: GDD
• Venetian-Style Air Layers: All Type, All Type
• Installation: All Type, All Type
• Certification: ISO, CE, ISO, CE, ISO, CE, ISO9001
• Ventilation Mode: Natural Ventilation
• After-Sales Service: on Line Service
• Warranty: One Year
• Function: Ventilaion
• Shape: Circular, Round
• Design Style: Modern
• Color: White
• Feature: Easy Installation
• Transport Package: Carton
• Trademark: airandus
• Origin: China
• HS Code: 8418991000
• Production Capacity: 50000PCS/Month

Product Description

GDD
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.