We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
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Get it by Tuesday, Dec 31
£19.99 Flat Shipping + VAT £19.99 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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Delivery Partners
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/Wall Shutter |
| Blade Material | White Painted Aluminum |
| Fits Fan Dia. (in.) | 20 |
| Flange Width | 1.5" |
| Frame Depth | 2-1/2" |
| Free Area | 2.281 Square-Ft. |
| Material | Extruded Aluminum Frame and G-90 Galvanized Tie Rod |
| Max. Velocity | 2500 fpm |
| Mounting Hole Size | 9/32 x 1/2" |
| Mounting Position | Vertical |
| Number Of Panels | 1 |
| Open Depth (in.) | 5-3/4 |
| Opening Required | 20-1/2 x 20-1/2" |
| Overall Square (in.) | 23 |
| Type | Gravity Operated, Single Panel |
| Ship weight (kg) | 2.84 |
| Ship height (cm) | 58.42 |
| Ship length (cm) | 14.61 |
| Ship width (cm) | 58.42 |
| HS code | 8414901080 |
| Country of Origin | US |
| Product | Model | Flange Width | Frame Depth | Frame Material | Free Area | Opening Required | Type | Price | |
|---|---|---|---|---|---|---|---|---|---|
|
3C308 | 1.5" | 2-1/2" | - | 3.320 Square-Ft. | 24-1/2 x 24-1/2" | Gravity Operated, Single Panel | £133.81 | |
 |
3C309 | 1.5" | 3" | - | 5.452 Square-Ft. | 30-1/2 x 30-1/2" | Gravity Operated, Single Panel | £162.92 | |
|
3C310 | 1.5" | 3" | - | 7.436 Square-Ft. | 36-1/2 x 36-1/2" | Gravity Operated, Single Panel | £222.67 | |
 |
3C311 | 1.5" | 3" | - | 10.253 Square-Ft. | 42-1/2 x 42-1/2" | Gravity Operated, Double Panel | £320.38 | |
 |
3C312 | 1.5" | 3" | - | 12.924 Square-Ft. | 48-1/2 x 48-1/2" | Gravity Operated, Double Panel | £369.40 | |
|
3C313 | 1.5" | 3" | - | 17.007 Square-Ft. | 54-1/2 x 54-1/2" | Gravity Operated, Double Panel | £519.48 | |
|
3C314 | 1.5" | 3" | - | 20.399 Square-Ft. | 60-1/2 x 60-1/2" | Gravity Operated, Double Panel | £650.02 | RFQ
|
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+