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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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 |
| Damper Size (in.) | 23 x 23 |
| Flange Width | 1" |
| Material | G-90 Galvanized Steel Frame, Aluminum Blades, Stainless Steel Pivot Pins, Nylon Bushings and Galvanized Steel Tie Rods. |
| Max. Velocity | 2250 fpm |
| Overall Size | 25 x 25 In. |
| Type | Roof Mount, Exhaust |
| Use W/dayton Ventilators | 4HX85,4HX86,4HX96,4HX97,4HZ56, 4HZ57, 4YC50, 4YC51, 4YC76-77 |
| Ship weight (kg) | 3.78 |
| Ship height (cm) | 63.5 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 63.5 |
| 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+