Please note we are currently unable to dispatch to Northern Ireland.

Non-return (backdraft) Dampers

Ventilation Ducting  | Dampers & Access Doors | Non-return Dampers |  Non-return (backdraft) Dampers



Lightweight aluminium blades on a light steel spring maintain the damper in the closed position when no air is flowing, preventing wind/drafts from flowing back through the duct.

100 dia Non-return (Backdraft) Damper
BDS-100




£3.45 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Male Couplers (Ref: NP)
2. Spiral Tube - 3m Lengths (Ref: SR)
3. Hose clips - Bundle of 10 (Ref: HC10)
100 dia Non-return (Backdraft) Damper
125 dia Non-return (Backdraft) Damper
BDS-125




£4.11 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. 45° Bends (Ref: B45)
2. Male Couplers (Ref: NP)
3. Spiral Tube - 3m Lengths (Ref: SR)
125 dia Non-return (Backdraft) Damper
150 dia Non-return (Backdraft) Damper
BDS-150




£4.32 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Foil Plain Flexible Ducting (Ref: AF)
2. PU S1 Clear Extraction Hose 10m Length (Ref: PUS1-10)
3. Hose Clips (Ref: HC)
150 dia Non-return (Backdraft) Damper
160 dia Non-return (Backdraft) Damper
BDS-160




£5.04 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Male Couplers (Ref: NP)
2. Cap Ends - Male (Ref: EP)
3. 45° Bends (Ref: B45)
160 dia Non-return (Backdraft) Damper
200 dia Non-return (Backdraft) Damper
BDS-200




£5.67 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Male Couplers (Ref: NP)
2. Hose clips - Bundle of 10 (Ref: HC10)
3. Filter Boxes (Ref: FILB)
200 dia Non-return (Backdraft) Damper
250 dia Non-return (Backdraft) Damper
BDS-250




£9.75 (Excluding VAT at 20%)




Quantity:


250 dia Non-return (Backdraft) Damper
315 dia Non-return (Backdraft) Damper
BDS-315




£14.56 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Female Couplers (Ref: MF)
2. Male Couplers (Ref: NP)
3. 315mm Semi-rigid Flexible Ducting (Ref: PAK315)
315 dia Non-return (Backdraft) Damper
355 dia Non-return (Backdraft) Damper
BDS-355




£19.74 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. 90° Bends (Ref: B90)
2. 355mm dia Circular Roof Cravat (Ref: BAVE-355)
3. Duct Flanges - Fabricated (Ref: CDF)
355 dia Non-return (Backdraft) Damper
400 dia Non-return (Backdraft) Damper
BDS-400




£26.32 (Excluding VAT at 20%)




Quantity:


400 dia Non-return (Backdraft) Damper
Your Basket

Items:
Total:

View BasketCheckout
Best Sellers

100 dia 90° Pressed Bends with Seals

100 dia 90° Pressed Bends with Seals

£6.49

600mm 30x30 Cantilever Support

600mm 30x30 Cantilever Support

£17.22

PU S1 Clear Extraction Hose 10m Length

PU S1 Clear Extraction Hose 10m Length

M8 Back Plate Threaded Rod Hanger

M8 Back Plate Threaded Rod Hanger

£0.90

100mm dia Chrome Exhaust Valve

100mm dia Chrome Exhaust Valve

£7.96