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  • Fan Store
    • Domestic Fans
      • Bathroom / Kitchen Extractor Fans
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      • Window & Wall fans
    • Commercial Fans
      • Box Fans
      • Bifurcated Axial Flow Fans
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      • 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
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      • Other Accessories
      • Roof Fan Accessories
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      • Roof Support Systems
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    • Spiral Ducting & Fittings
      • 3 Metre Spiral
      • 1.5 Metre Spiral
      • Bends
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      • 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
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        • 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
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Roof Mounted Fans

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139342 - DVA 190 E4P 31 - Roof fan vertical metal - Ruck
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Roof Mounted Fans

139342 – DVA 190 E4P 31 – Roof fan vertical metal – Ruck

£362.82 ex. VAT
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139345 - DVA 190 E2P 31 - Roof fan vertical metal - Ruck
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Roof Mounted Fans

139345 – DVA 190 E2P 31 – Roof fan vertical metal – Ruck

£355.25 ex. VAT
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165191 - DHA 190 EC O R 01 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

165191 – DHA 190 EC O R 01 – Roof fan horizontal metal – Ruck

£433.12 ex. VAT
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163464 - DHL 450 EC RK 01 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

163464 – DHL 450 EC RK 01 – Roof fan horizontal metal – Ruck

£1,861.78 ex. VAT
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131110 - DHA 400 E4P 30 -  Roof fan horizontal metal - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

131110 – DHA 400 E4P 30 – Roof fan horizontal metal – Roof fan horizontal metal – Ruck

£774.87 ex. VAT
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131107 - DHA 355 E4P 30 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

131107 – DHA 355 E4P 30 – Roof fan horizontal metal – Ruck

£649.42 ex. VAT
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156501 - DHA 315 E4P 42 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

156501 – DHA 315 E4P 42 – Roof fan horizontal metal – Ruck

£522.88 ex. VAT
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130107 - DHA 280 E4P 30 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

130107 – DHA 280 E4P 30 – Roof fan horizontal metal – Ruck

£443.93 ex. VAT
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130447 - DHA 250 E4P 30 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

130447 – DHA 250 E4P 30 – Roof fan horizontal metal – Ruck

£374.72 ex. VAT
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131792 - DHA 220 E4P 30 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

131792 – DHA 220 E4P 30 – Roof fan horizontal metal – Ruck

£335.78 ex. VAT
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131829 - DHA 220 E2P 30 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

131829 – DHA 220 E2P 30 – Roof fan horizontal metal – Ruck

£335.78 ex. VAT
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130469 - DHA 190 E4P 30 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

130469 – DHA 190 E4P 30 – Roof fan horizontal metal – Ruck

£313.07 ex. VAT
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134995 - DHA 190 E2P 40 - Roof fan horizontal metal - Ruck
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Roof Mounted Fans

134995 – DHA 190 E2P 40 – Roof fan horizontal metal – Ruck

£313.07 ex. VAT
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129984 - DHA 250 E4P 02 - Roof fan plastic with isolating switch - Ruck
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Roof Mounted Fans

129984 – DHA 250 E4P 02 – Roof fan plastic with isolating switch – Ruck

£273.06 ex. VAT
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123316 - DHA 220 E2P 01 - Roof fan plastic with isolating switch - Ruck
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Roof Mounted Fans

123316 – DHA 220 E2P 01 – Roof fan plastic with isolating switch – Ruck

£234.12 ex. VAT
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128524 - DHA 220 E4P 01 - Roof fan plastic with isolating switch - Ruck
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Roof Mounted Fans

128524 – DHA 220 E4P 01 – Roof fan plastic with isolating switch – Ruck

£234.12 ex. VAT
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128518 - DHA 190 E4P 01 - Roof fan plastic with isolating switch - Ruck
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Roof Mounted Fans

128518 – DHA 190 E4P 01 – Roof fan plastic with isolating switch – Ruck

£227.63 ex. VAT
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134990 - DHA 190 E2P 50 - Roof fan plastic with isolating switch - Ruck
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Roof Mounted Fans

134990 – DHA 190 E2P 50 – Roof fan plastic with isolating switch – Ruck

£227.63 ex. VAT
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142192 - DVN 630 D4 F4 30 - Vertical roof fan - Ruck
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Roof Mounted Fans

142192 – DVN 630 D4 F4 30 – Vertical roof fan – Ruck

£2,538.80 ex. VAT
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VDW EC 450 - Vertical roof fan - 1 ph - Helios
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Roof Mounted Fans

VDW EC 450 – Vertical roof fan – 1 ph – Helios

£1,874.34 ex. VAT
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VDW EC 400 - Vertical roof fan - 1 ph - Helios
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Roof Mounted Fans

VDW EC 400 – Vertical roof fan – 1 ph – Helios

£1,832.62 ex. VAT
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VDW EC 355- Vertical roof fan - 1 ph - Helios
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Roof Mounted Fans

VDW EC 355- Vertical roof fan – 1 ph – Helios

£1,745.87 ex. VAT
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VDW EC 315- Vertical roof fan - 1 ph - Helios
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Roof Mounted Fans

VDW EC 315- Vertical roof fan – 1 ph – Helios

£1,345.09 ex. VAT
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VDW EC 250 - Vertical roof fan - 1 ph - Helios
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Roof Mounted Fans

VDW EC 250 – Vertical roof fan – 1 ph – Helios

£802.66 ex. VAT
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VDW EC 225 B - Vertical roof fan - 1 ph - Helios
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Roof Mounted Fans

VDW EC 225 B – Vertical roof fan – 1 ph – Helios

£723.61 ex. VAT
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VDW EC 225 A - Vertical roof fan - 1 ph - Helios
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Roof Mounted Fans

VDW EC 225 A – Vertical roof fan – 1 ph – Helios

£541.33 ex. VAT
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VDW EC 200 - Vertical roof fan - 1 ph - Helios
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Roof Mounted Fans

VDW EC 200 – Vertical roof fan – 1 ph – Helios

£522.66 ex. VAT
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VDW EC 180 - Vertical roof fan - 1 ph - Helios
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Roof Mounted Fans

VDW EC 180 – Vertical roof fan – 1 ph – Helios

£480.94 ex. VAT
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VDD EC 630 - Mixed flow roof fan - 3 ph - Helios
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Roof Mounted Fans

VDD EC 630 – Mixed flow roof fan – 3 ph – Helios

£3,351.19 ex. VAT
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VDD EC 560 - Mixed flow roof fan - 3 ph - Helios
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Roof Mounted Fans

VDD EC 560 – Mixed flow roof fan – 3 ph – Helios

£2,964.69 ex. VAT
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VDD EC 500 B - Mixed flow roof fan - 3 ph - Helios
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Roof Mounted Fans

VDD EC 500 B – Mixed flow roof fan – 3 ph – Helios

£2,522.18 ex. VAT
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VDD EC 500 A - Mixed flow roof fan - 3 ph - Helios
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Roof Mounted Fans

VDD EC 500 A – Mixed flow roof fan – 3 ph – Helios

£2,356.37 ex. VAT
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VDD EC 450 B - Mixed flow roof fan - 3 ph - Helios
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Roof Mounted Fans

VDD EC 450 B – Mixed flow roof fan – 3 ph – Helios

£2,194.96 ex. VAT
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VDD EC 450 A - Mixed flow roof fan - 3 ph - Helios
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Roof Mounted Fans

VDD EC 450 A – Mixed flow roof fan – 3 ph – Helios

£2,017.08 ex. VAT
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VDD EC 400 - Mixed flow roof fan - 3 ph - Helios
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Roof Mounted Fans

VDD EC 400 – Mixed flow roof fan – 3 ph – Helios

£1,739.28 ex. VAT
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VDD EC 355 - Mixed flow roof fan - 3 ph - Helios
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Roof Mounted Fans

VDD EC 355 – Mixed flow roof fan – 3 ph – Helios

£1,703.04 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
  • Controllers & Accessories
  • Ducting Store
Customer Services
  • Contact Us
  • Delivery
  • Returns Policy
  • About us
  • Terms & Conditions
  • Cookie Policy
Come and see us
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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