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Get it by Tuesday, Jun 10
Payment
Delivery
Step 1 Add the items into your cart or submit a Purchase order
Step 2 Checkout, select NET30 payment (provide company registration and VAT number)
Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days
Step 4 Make payment via BACS to our factoring partner,
| Item | Backdraft Damper |
| Air Flow Direction | Vertical |
| Application | Backdraft |
| Blade Material | Aluminum |
| Blade Orientation | Parallel Blades |
| Blade Seal Material | Felt |
| Blade Type | Flat Blade |
| Bushing Material | Nylon |
| Closure Type | Gravity |
| Counterbalanced | Yes |
| Damper Size | 35" x 35" |
| Damper Type | Static |
| Fits Fan Dia. | 36" |
| Flange Type | Rear Flange |
| Flange Width | 1" |
| For Duct Shape | Square |
| Frame Depth | 2" |
| Frame Material Thickness | 20 ga. |
| Includes | Pre-Punched Conduit Hole Knock-Out |
| Max. Air Velocity | 2250 FPM |
| Max. Velocity | 2250 FPM |
| Mounting Position | Horizontal |
| Overall Height | 37" |
| Overall Length | 4 1/2" |
| Overall Size | 37" x 37" |
| Overall Width | 37" |
| Rough Opening Dia. | 35 1/2" |
| Rough Opening Length | 34 1/2" |
| Rough Opening Shape | Square |
| Rough Opening Width | 35 1/2" |
| Single Acting/double Acting | Single Acting |
| Type | Exhaust, Roof Mount |
| Action | Single Acting |
| Airflow Direction | Vertical |
| Closure Velocity Rating | 2250 FPM |
| Fits Fan Diameter | 36" |
| Frame Material | Galvanized Steel |
| Free Area | 7.1 sq. ft. |
| Maximum Pressure | 1 in. wc |
| Mounting Location | Ceiling |
| Switch Action | Normally Closed |
| Ship weight (kg) | 7.38 |
| Ship height (cm) | 93.98 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 93.98 |
| HS code | 8414901080 |
| Country of Origin | US |
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
Trade pricing is available for 
Order Value should be £500+