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Flat Shipping at 29.99 + GST AUD 29.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates.
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| Item | Backdraft Damper |
| Damper Size (In.) | 19 x 19 |
| Flange Width | 1" |
| Material | G-90 Galvanized Steel Frame, Aluminum Blades, Stainless Steel Pivot Pins, Nylon Bushings and Galvanized Steel Tie Rods. |
| Max. Velocity | 2000 fpm |
| Overall Size | 21 x 21 In. |
| Type | Roof Mount, Exhaust |
| Use w/Dayton Ventilators | 4HX83, 4HX84, 4HX94, 4HX95, 4HZ48, 4HZ49, 4HZ52, 4HZ53, 4YC48, 4YC49, 4YC72-75 |
| Ship weight (kg) | 2.48 |
| Ship height (cm) | 56.13 |
| Ship length (cm) | 55.37 |
| Ship width (cm) | 6.86 |
| HS code | 8414901080 |
| Country of Origin | US |
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