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      • Box Fans
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      • Controllers
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      • Fire Dampers & Volume Control Dampers
    • Controllers & Accessories Cont.
      • Flanges
      • Flexible Connectors
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  • Clearance Fans & Fan Accessories
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    • Spiral Ducting & Fittings
      • 3 Metre Spiral
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      • Bends
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      • Reducers
      • Pressed Saddles
      • Flanged Spigots
      • Flat Shoes
      • T Pieces
      • Dampers
      • Roof Cowls
      • Jet Cowls
      • Y Twin Bends
      • Roof Cravat
    • Fixings & Supports
      • Duct Support Rings
      • Fasteners & Fixings
      • Slotted Channel
      • Studding – Threaded Rod
      • Support Banding
      • Cantilever Arms
      • Cutting Tools
      • Pre-Cut Wire Packs
      • Wire Rope & Locks
      • Flanges & Connectors
        • Multi Drilled Flange Rings
        • Fast Clamps
      • Attenuators
        • Attenuators (Silencers)
    • Flexible Ducting
      • Combi Flexible Ducting
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      • Banding & Locks
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        • Baffle Filters
        • Mesh Filters
        • Pleated Panel Filters
        • Filter Boxes
        • Filter Box – Replacement Media
    • Dampers & Access Doors
      • Blast Gate Dampers
      • Access Doors
      • Fire Dampers
      • Multi-Blade Volume Control Dampers
      • Non-return (backdraft) Dampers
      • Single Blade Balancing Dampers
      • Roof Support Systems
        • Roof Support Systems
      • Fabricated Items
        • Fabricated Items
    • Grilles & Louvres
      • Egg Crate Grilles
      • Diffusers
      • Louvres
      • Pressed Steel Grille – White
      • Intumescent Fire Blocks
      • Plenum Boxes
      • Air Valves
      • Circular Weather Louvre
      • Round Ceiling Diffusers
      • Circular Weather Louvre
      • Gravity Outlets
      • Louvred Grille With Flyscreen
    • Airturn Track & Vane
      • Airturn Track
      • Airturn Vane
      • Flashings
        • Red (HOT)
        • Standard Black
      • Sealant, Tapes & Insulation
        • Ductwrap
        • Sealant Tubes
        • Tapes
        • Sprays
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        • Clearance Ducting Store Items
  • Clearance Ducting Store Items
  • Plastic Ducting Store
    • Domus Ventilation
      • Circular Ducts & Bends
        • Ducting
        • 90 Degree Horizontal Bend
        • 45 Degree Horizontal Bend
        • 1 Metre Sleeve
        • Circular Adapters
        • Clips
        • Horizontal T Piece
        • Y Piece
        • Straight Connector
        • Straight Connector With Damper
        • In-Line Adapter Space Saving
        • Telescopic Assembly
        • Flexible Hose Connector
        • Flexible Hose Connector With Threaded Socket
      • Circular Duct & Bends Continued
        • High Rise Kit
        • Telescopic Background Ventilator Kit
        • Tumble Dryer Extraction Kit – Cowled
        • Wall Plate
    • Rectangular Duct & Bends
      • 110x54mm Duct
      • 204x60mm Duct
      • 220x90mm Duct
      • 90 Degree Horizontal Bends
      • 90 Degree Vertical Bends
      • 45 Degree Horizontal Bend
      • 45 Degree Vertical Bends
      • Duct Clips
      • Duct Connectors
      • Duct Connector With Damper
      • End Caps
      • Horizontal T Piece
      • Hose Connectors
      • Flexible Hose
      • Plenum Fixed Spigot
      • Round To Rectangular Adapters
      • Rectangular To Rectangular Adapter
      • Plenum Offset Rotating Spigot
      • Cooker Hood Extraction Kits
      • Wall Plates
    • External Wall Duct Terminals
      • Cowled Outlet With Damper
      • Louvered Grille Outlet
      • Outlet With Gravity Flaps
      • Louvered Soffit Vent Outlet
      • Outlet Airbrick
      • Outlet Airbrick With Damper
      • Soil Roof Vent Cowls
    • Internal Duct Terminals
      • Architectural Room Terminal
      • Circular Diffusers
      • Extract & Supply Valves
      • Sapphire Range Fan Fascia
    • Aluminium Flexible Hose
      • 100mm Aluminium Flexible Hose 
      • 125mm Aluminium Flexible Hose 
      • 150mm Aluminium Flexible Hose 
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      • EasiPipe – Rigid Duct
        • Aluminium Silver
        • Duct Clip Aluminium
        • Flexible Hose – White
        • Insulated Hose – Silver
    • Thermal Insulation
      • 100mm Thermal Insulation
      • 125mm Thermal Insulation
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Silencers

Home / Controllers & Accessories / Silencers / Page 5
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068-0150-JF2 - 150dia - 600mm Long - Spigot Silencer - Elta
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068-0150-JF2 – 150dia – 600mm Long – Spigot Silencer – Elta

£60.00 ex. VAT
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068-0100-JF2 - 100dia - 600mm Long - Spigot Silencer - Elta
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068-0100-JF2 – 100dia – 600mm Long – Spigot Silencer – Elta

£54.00 ex. VAT
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068-0100-JF3 - 100dia - 900mm Long - Spigot Silencer - Elta
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068-0100-JF3 – 100dia – 900mm Long – Spigot Silencer – Elta

£71.00 ex. VAT
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068-0100-JF4 - 100dia - 1200mm Long - Spigot Silencer - Elta
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068-0100-JF4 – 100dia – 1200mm Long – Spigot Silencer – Elta

£84.00 ex. VAT
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068-0315-JF1 - 315dia - 300mm Long - Spigot Silencer - Elta
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068-0315-JF1 – 315dia – 300mm Long – Spigot Silencer – Elta

£86.00 ex. VAT
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SSD 710 - Helios - Base Attenuator
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Silencers

SSD 710 – Helios – Base Attenuator

£3,909.32 ex. VAT
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SSD 560/630 - Helios - Base Attenuator
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Silencers

SSD 560/630 – Helios – Base Attenuator

£1,679.26 ex. VAT
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SSD 500 - Helios - Base Attenuator
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Silencers

SSD 500 – Helios – Base Attenuator

£1,679.26 ex. VAT
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SSD 450 - Helios - Base Attenuator, Hingeable - (with Hinge Mechanism)
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Silencers

SSD 450 – Helios – Base Attenuator, Hingeable – (with Hinge Mechanism)

£1,167.07 ex. VAT
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SSD 400 - Helios - Base Attenuator, Hingeable - (with Hinge Mechanism)
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Silencers

SSD 400 – Helios – Base Attenuator, Hingeable – (with Hinge Mechanism)

£1,011.54 ex. VAT
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SSD 315 - Helios - Base Attenuator, Hingeable - (with Hinge Mechanism)
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Silencers

SSD 315 – Helios – Base Attenuator, Hingeable – (with Hinge Mechanism)

£857.18 ex. VAT
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SSD 250 - Helios - Base Attenuator, Hingeable - (with Hinge Mechanism)
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Silencers

SSD 250 – Helios – Base Attenuator, Hingeable – (with Hinge Mechanism)

£857.18 ex. VAT
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SSD 225 - Helios - Base Attenuator, Hingeable - (with Hinge Mechanism)
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Silencers

SSD 225 – Helios – Base Attenuator, Hingeable – (with Hinge Mechanism)

£680.58 ex. VAT
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SSD 200 - Helios - Base Attenuator, Hingeable - (with Hinge Mechanism)
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Silencers

SSD 200 – Helios – Base Attenuator, Hingeable – (with Hinge Mechanism)

£680.58 ex. VAT
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SSD 180 - Helios - Base Attenuator, Hingeable - (with Hinge Mechanism)
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Silencers

SSD 180 – Helios – Base Attenuator, Hingeable – (with Hinge Mechanism)

£569.51 ex. VAT
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KSD 100/50 - Helios - Silencer
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Silencers

KSD 100/50 – Helios – Silencer

£754.27 ex. VAT
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KSD 80/50 - Helios - Silencer
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Silencers

KSD 80/50 – Helios – Silencer

£631.47 ex. VAT
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KSD 70/40 - Helios - Silencer
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KSD 70/40 – Helios – Silencer

£509.86 ex. VAT
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KSD 60/30-35 - Helios - Silencer
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Silencers

KSD 60/30-35 – Helios – Silencer

£375.38 ex. VAT
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KSD 50/25-30 - Helios - Silencer
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Silencers

KSD 50/25-30 – Helios – Silencer

£332.10 ex. VAT
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FSD 400 - Helios - Flexible Circular Attenuator
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Silencers

FSD 400 – Helios – Flexible Circular Attenuator

£196.46 ex. VAT
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FSD 355 - Helios - Flexible Circular Attenuator
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Silencers

FSD 355 – Helios – Flexible Circular Attenuator

£164.89 ex. VAT
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FSD 315 - Helios - Flexible Circular Attenuator
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Silencers

FSD 315 – Helios – Flexible Circular Attenuator

£160.22 ex. VAT
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FSD 250 - Helios - Flexible Circular Attenuator
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Silencers

FSD 250 – Helios – Flexible Circular Attenuator

£137.99 ex. VAT
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FSD 160 - Helios - Flexible Circular Attenuator
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Silencers

FSD 160 – Helios – Flexible Circular Attenuator

£97.07 ex. VAT
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RSD 630/1200 - Helios - Flanged Circular Attenuator
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Silencers

RSD 630/1200 – Helios – Flanged Circular Attenuator

£668.90 ex. VAT
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RSD 630/600 - Helios - Flanged Circular Attenuator
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Silencers

RSD 630/600 – Helios – Flanged Circular Attenuator

£514.54 ex. VAT
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RSD 560/1200 - Helios - Flanged Circular Attenuator
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Silencers

RSD 560/1200 – Helios – Flanged Circular Attenuator

£638.49 ex. VAT
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RSD 500/1200 - Helios - Flanged Circular Attenuator
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Silencers

RSD 500/1200 – Helios – Flanged Circular Attenuator

£603.42 ex. VAT
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RSD 500/900 - Helios - Flanged Circular Attenuator
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Silencers

RSD 500/900 – Helios – Flanged Circular Attenuator

£425.67 ex. VAT
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RSD 500/600 - Helios - Flanged Circular Attenuator
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Silencers

RSD 500/600 – Helios – Flanged Circular Attenuator

£374.21 ex. VAT
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RSD 450/1200 - Helios - Flanged Circular Attenuator
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Silencers

RSD 450/1200 – Helios – Flanged Circular Attenuator

£941.38 ex. VAT
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RSD 450/800 - Helios - Flanged Circular Attenuator
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Silencers

RSD 450/800 – Helios – Flanged Circular Attenuator

£395.26 ex. VAT
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RSD 450/400 - Helios - Flanged Circular Attenuator
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Silencers

RSD 450/400 – Helios – Flanged Circular Attenuator

£274.81 ex. VAT
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RSD 400/1200 - Helios - Flanged Circular Attenuator
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Silencers

RSD 400/1200 – Helios – Flanged Circular Attenuator

£443.21 ex. VAT
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RSD 400/800 - Helios - Flanged Circular Attenuator
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Silencers

RSD 400/800 – Helios – Flanged Circular Attenuator

£342.64 ex. VAT
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Products
  • Bathroom / Kitchen Extractor Fans
  • Utility Room Fans
  • Window & Wall fans
  • Plate Axial Fans
  • Cased Axial Fans
  • Bifurcated Axial Flow Fans
  • Box Fans
  • Centrifugal Inline Fans
  • Gigabox Centrifugal Fans
  • Roof Mounted Fans
  • Rectangular Duct Fans
  • Mixed Flow Inline Fans
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Norwich Branch:

Unit 4 Albertine Close,

Sweet Briar Industrial Estate,

Norwich NR3 2FA

Chelmsford Branch:

Unit 3 Grafton Place,

Dukes Park Ind Est,

Chelmsford, CM2 6TG

Northampton Branch:

Unit 12 Scotia Close,

Brackmills Ind Est,

Northampton, NN4 7HR

Monday to Friday 6:00am – 5:00pm Follow us
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© L&B Fans 2026. L&B Fans is a trading name of L&B Ventilation Supplies Ltd. Online prices are for a limited time only, and subject to change see our full Terms & Conditions. Registered in England and Wales No. 10679544. Unit 4 Albertine Close, Sweet Briar Industrial Estate, Norwich, Norfolk, NR3 2FA. Website by JMJ Digital
  • Home
  • Fan Store
    • Domestic Fans
      • Bathroom / Kitchen Extractor Fans
      • Centrifugal Inline Fans
      • Heat Recovery & Wholehouse Units
      • Fan Inserts
      • Mixed Flow Inline Fans
      • Utility Room Fans
      • Window & Wall fans
    • Commercial Fans
      • Box Fans
      • Bifurcated Axial Flow Fans
      • Cased Axial Fans
      • Gigabox Centrifugal Fans
      • Heater Batteries
      • Medium Pressure Fans
      • Plate Axial Fans
      • Roof Mounted Fans
      • Rectangular Duct Fans
      • Twin Fans
    • Controllers & Accessories
      • Ancillary Kits
      • Anti Vibrations Mounts
      • Backdraft Shutters & Dampers
      • Controllers
      • Ductwork & Connections
      • Fan Guards
      • Filter Boxes & Media
      • Fire Dampers & Volume Control Dampers
    • Controllers & Accessories Cont.
      • Flanges
      • Flexible Connectors
      • Louvre Shutters
      • Mounting Feet
      • Other Accessories
      • Roof Fan Accessories
      • Silencers
      • Valves, Grilles & Louvres
      • Roof Support Systems
    • Clearance Fans & Accessories
      • Clearance Fans & Fan Accessories
  • Clearance Fans & Fan Accessories
  • Ducting Store
    • Spiral Ducting & Fittings
      • 3 Metre Spiral
      • 1.5 Metre Spiral
      • Bends
      • Bird Beaks
      • Curved Boots
      • Duct Connectors
      • Reducers
      • Pressed Saddles
      • Flanged Spigots
      • Flat Shoes
      • T Pieces
      • Dampers
      • Roof Cowls
      • Jet Cowls
      • Y Twin Bends
      • Roof Cravat
    • Fixings & Supports
      • Duct Support Rings
      • Fasteners & Fixings
      • Slotted Channel
      • Studding – Threaded Rod
      • Support Banding
      • Cantilever Arms
      • Cutting Tools
      • Pre-Cut Wire Packs
      • Wire Rope & Locks
      • Flanges & Connectors
        • Multi Drilled Flange Rings
        • Fast Clamps
      • Attenuators
        • Attenuators (Silencers)
    • Flexible Ducting
      • Combi Flexible Ducting
      • Non Insulated Flexible Ducting
      • Insulated Flexible Ducting
      • Banding & Locks
      • Hose Clips
      • Filters & Filter Boxes
        • Baffle Filters
        • Mesh Filters
        • Pleated Panel Filters
        • Filter Boxes
        • Filter Box – Replacement Media
    • Dampers & Access Doors
      • Blast Gate Dampers
      • Access Doors
      • Fire Dampers
      • Multi-Blade Volume Control Dampers
      • Non-return (backdraft) Dampers
      • Single Blade Balancing Dampers
      • Roof Support Systems
        • Roof Support Systems
      • Fabricated Items
        • Fabricated Items
    • Grilles & Louvres
      • Egg Crate Grilles
      • Diffusers
      • Louvres
      • Pressed Steel Grille – White
      • Intumescent Fire Blocks
      • Plenum Boxes
      • Air Valves
      • Circular Weather Louvre
      • Round Ceiling Diffusers
      • Circular Weather Louvre
      • Gravity Outlets
      • Louvred Grille With Flyscreen
    • Airturn Track & Vane
      • Airturn Track
      • Airturn Vane
      • Flashings
        • Red (HOT)
        • Standard Black
      • Sealant, Tapes & Insulation
        • Ductwrap
        • Sealant Tubes
        • Tapes
        • Sprays
      • Ducting Store Clearance Items
        • Clearance Ducting Store Items
  • Clearance Ducting Store Items
  • Plastic Ducting Store
    • Domus Ventilation
      • Circular Ducts & Bends
        • Ducting
        • 90 Degree Horizontal Bend
        • 45 Degree Horizontal Bend
        • 1 Metre Sleeve
        • Circular Adapters
        • Clips
        • Horizontal T Piece
        • Y Piece
        • Straight Connector
        • Straight Connector With Damper
        • In-Line Adapter Space Saving
        • Telescopic Assembly
        • Flexible Hose Connector
        • Flexible Hose Connector With Threaded Socket
      • Circular Duct & Bends Continued
        • High Rise Kit
        • Telescopic Background Ventilator Kit
        • Tumble Dryer Extraction Kit – Cowled
        • Wall Plate
    • Rectangular Duct & Bends
      • 110x54mm Duct
      • 204x60mm Duct
      • 220x90mm Duct
      • 90 Degree Horizontal Bends
      • 90 Degree Vertical Bends
      • 45 Degree Horizontal Bend
      • 45 Degree Vertical Bends
      • Duct Clips
      • Duct Connectors
      • Duct Connector With Damper
      • End Caps
      • Horizontal T Piece
      • Hose Connectors
      • Flexible Hose
      • Plenum Fixed Spigot
      • Round To Rectangular Adapters
      • Rectangular To Rectangular Adapter
      • Plenum Offset Rotating Spigot
      • Cooker Hood Extraction Kits
      • Wall Plates
    • External Wall Duct Terminals
      • Cowled Outlet With Damper
      • Louvered Grille Outlet
      • Outlet With Gravity Flaps
      • Louvered Soffit Vent Outlet
      • Outlet Airbrick
      • Outlet Airbrick With Damper
      • Soil Roof Vent Cowls
    • Internal Duct Terminals
      • Architectural Room Terminal
      • Circular Diffusers
      • Extract & Supply Valves
      • Sapphire Range Fan Fascia
    • Aluminium Flexible Hose
      • 100mm Aluminium Flexible Hose 
      • 125mm Aluminium Flexible Hose 
      • 150mm Aluminium Flexible Hose 
      • Aluminium Duct Clip
      • EasiPipe – Rigid Duct
        • Aluminium Silver
        • Duct Clip Aluminium
        • Flexible Hose – White
        • Insulated Hose – Silver
    • Thermal Insulation
      • 100mm Thermal Insulation
      • 125mm Thermal Insulation
      • 150mm Thermal Insulation
      • 204x60mm Thermal Insulation
      • 220x90mm Thermal Insulation
  • Nordfab QF & DFS Ducting
  • RECTANGULAR DUCTING
  • Contact Us
  • Support
    • Useful Info
    • Credit Account Application
    • Returns Policy
    • Terms & Conditions
    • Delivery
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