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315mm dia Large Format Circular Diffuser - Silver/Grey

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400mm Dia Plate Mounted Axial Fan - Single Phase

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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

OUT OF STOCK

£3.45 (Excluding VAT at 20%)

Quantity:

People who bought this item also bought:

1. Spiral Tube Duct 1.5m Lengths (Ref: SRH)

2. 100mm dia Stainless Steel Circular Cowl (Ref: VHK-K-100)

3. 100 dia Circular Louvre in Black with Insect Mesh (Ref: DSAV100B)

200 dia Non-return (Backdraft) Damper
BDS-200

OUT OF STOCK

£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)

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

OUT OF STOCK

£9.75 (Excluding VAT at 20%)

Quantity:

People who bought this item also bought:

1. 250 dia Circular Louvre in Silver with Insect Mesh (Ref: DSAV250C)

2. 250mm Dia Plate Mounted Axial Fan - Single Phase (Ref: HCBB/4-250/H)

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