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315mm dia Large Format Circular Diffuser - Silver/Grey

315mm dia Large Format Circular Diffuser - Silver/Grey

DV-PP SILENT Mixed Flow Fan 150

DV-PP SILENT Mixed Flow Fan 150

2mm Wire Rope 150m Reel

2mm Wire Rope 150m Reel

Wires with Carabina 2mm x 2m - Pack of 10

Wires with Carabina 2mm x 2m - Pack of 10

400mm Dia Plate Mounted Axial Fan - Single Phase

400mm Dia Plate Mounted Axial Fan - Single Phase

Ductwrap - Isover ClimCover Alu2 25mm 18m Roll

Ductwrap - Isover ClimCover Alu2 25mm 18m Roll

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. Flanged Spigots (Ref: IL)
2. 100mm dia Chrome Exhaust Valve (Ref: KW-S-RM100)
3. Male Couplers (Ref: NP)
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. 125mm dia Iris Damper (Ref: GBL125)
2. 125mm Dia Radiused Flanged Spigot (Ref: ILPR125)
3. 160mm Dia Radiused Flanged Spigot (Ref: ILPR160)
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. 90° Bends (Ref: B90)
2. Hose Clips (Ref: HC)
3. Hose clips - Bundle of 10 (Ref: HC10)
150 dia Non-return (Backdraft) Damper
160 dia Non-return (Backdraft) Damper
BDS-160




£5.04 (Excluding VAT at 20%)




Quantity:


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. Aluminium Foil Duct Tape (Ref: AFT)
2. 200 dia Circular Louvre in Black with Insect Mesh (Ref: DSAV200B)
3. Insect Mesh 1x1.2m Aluminum Wire Sheet (Ref: ISM)
200 dia Non-return (Backdraft) Damper
250 dia Non-return (Backdraft) Damper
BDS-250




£9.75 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. 315 dia Non-return Damper with Seals (Ref: DAOSL-315)
2. Hose Clips (Ref: HC)
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. Duct Flanges - Fabricated (Ref: CDF)
2. Fast Clamps (Ref: FC)
3. Male Couplers (Ref: NP)
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. 100mm Diameter Pressed Saddle (Ref: PS100)
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
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