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  • Fan Store
    • Domestic Fans
      • Bathroom / Kitchen Extractor Fans
      • Centrifugal Inline Fans
      • Heat Recovery & Wholehouse Units
      • Fan Inserts
      • Mixed Flow Inline Fans
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      • 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
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Box Fans

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SB EC 160 B - Helios - SilentBox Acoustic Line EC - Centrifugal In-line Fan
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Box Fans

SB EC 160 B – Helios – SilentBox Acoustic Line EC – Centrifugal In-line Fan

£646.69 ex. VAT
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SB 250 E - SilentBox Centrifugal Fan - Helios
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Box Fans

SB 250 E – SilentBox Centrifugal Fan – Helios

£642.01 ex. VAT
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SB 200 D  - SilentBox Centrifugal Fan - Helios
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Box Fans

SB 200 D – SilentBox Centrifugal Fan – Helios

£533.25 ex. VAT
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SB 160 D  - SilentBox Centrifugal Fan- Helios
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Box Fans

SB 160 D – SilentBox Centrifugal Fan- Helios

£374.21 ex. VAT
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QP500C - Quiet Pack Fan - Vent Axia
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Box Fans

QP500C – Quiet Pack Fan – Vent Axia

£1,197.33 ex. VAT
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QP125C - Quiet Pack Fan - Vent Axia
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Box Fans

QP125C – Quiet Pack Fan – Vent Axia

£339.21 ex. VAT
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QPTW315C - Quiet Pack Twin Fan (QPTW) - In-Line Twin Fan 315C - 315Dia - Vent Axia
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Box Fans

QPTW315C – Quiet Pack Twin Fan (QPTW) – In-Line Twin Fan 315C – 315Dia – Vent Axia

£1,355.70 ex. VAT
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Acoustic cabinet fans CAB SeriesAcoustic cabinet fans CAB Series
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Box Fans

CAB-355-RE – Acoustic cabinet fans CAB Series – Soler & Palau

£948.10 ex. VAT
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Acoustic cabinet fans CAB SeriesAcoustic cabinet fans CAB Series
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Box Fans

CAB-160 – Acoustic cabinet fans CAB Series – Soler & Palau

£362.72 ex. VAT
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Acoustic Kitchen Extract Fan Series
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Box Fans

CVAT/4-1400/250-ND – Kitchen Acoustic Cabinet Fans – Soler & Palau

£590.94 ex. VAT
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Acoustic Kitchen Extract Fan SeriesAcoustic Kitchen Extract Fan Series
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Box Fans

CVAT/4-6000/450-ND – Kitchen Acoustic Cabinet Fan – Soler & Palau

£1,021.03 ex. VAT
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Acoustic Kitchen Extract Fan Series
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Box Fans

CVAB/4-1400/250 ND – Acoustic Kitchen Extract Fan Series – Soler & Palau

£620.71 ex. VAT
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Acoustic Kitchen Extract Fan Series
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Box Fans

CVAB/4-6000/450 ND – Acoustic Kitchen Extract Fan Series – Soler & Palau

£1,067.34 ex. VAT
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Acoustic Kitchen Extract Fan SeriesAcoustic Kitchen Extract Fan Series
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Box Fans

CVAB/4-9000/500 ND – Acoustic Kitchen Extract Fan Series – Soler & Palau

£1,416.93 ex. VAT
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SLPT500EC - Slimpak EC Box Twin Fan 500mm - Vent Axia
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Box Fans

SLPT500EC – Slimpak EC Box Twin Fan 500mm – Vent Axia

£4,365.28 ex. VAT
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SLPT400EC - Slimpak EC Box Twin Fan 400mm - Vent Axia
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Box Fans

SLPT400EC – Slimpak EC Box Twin Fan 400mm – Vent Axia

£3,162.42 ex. VAT
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SLPT315EC - Slimpak EC Box Twin Fan 315mm - Vent Axia
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Box Fans

SLPT315EC – Slimpak EC Box Twin Fan 315mm – Vent Axia

£2,590.38 ex. VAT
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SLPT250EC - Slimpak EC Box Twin Fan 250mm - Vent Axia
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Box Fans

SLPT250EC – Slimpak EC Box Twin Fan 250mm – Vent Axia

£1,971.78 ex. VAT
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SLPT150EC - Slimpak EC Box Twin Fan 150mm - Vent Axia
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Box Fans

SLPT150EC – Slimpak EC Box Twin Fan 150mm – Vent Axia

£1,398.27 ex. VAT
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SLPT125EC - Slimpak EC Box Twin Fan 125mm - Vent Axia
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Box Fans

SLPT125EC – Slimpak EC Box Twin Fan 125mm – Vent Axia

£1,398.27 ex. VAT
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SLPT200EC - Slimpak EC Box Twin Fan 200mm - Vent Axia
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Box Fans

SLPT200EC – Slimpak EC Box Twin Fan 200mm – Vent Axia

£1,710.19 ex. VAT
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SLPT100EC - Slimpak EC Box Twin Fan 100mm - Vent Axia
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Box Fans

SLPT100EC – Slimpak EC Box Twin Fan 100mm – Vent Axia

£1,398.27 ex. VAT
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SLP200EC - Slimpack EC Box Fan - 200mm - Vent Axia
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Box Fans

SLP200EC – Slimpack EC Box Fan – 200mm – Vent Axia

£797.54 ex. VAT
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SENT500T - Sentinel D-Box Twin Fan 500mm - Vent Axia
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Box Fans

SENT500T – Sentinel D-Box Twin Fan 500mm – Vent Axia

£5,883.33 ex. VAT
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SENT400T - Sentinel D-Box Twin Fan 400mm - Vent Axia
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Box Fans

SENT400T – Sentinel D-Box Twin Fan 400mm – Vent Axia

£4,438.30 ex. VAT
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SENT315T - Sentinel D-Box Twin Fan 315mm - Vent Axia
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Box Fans

SENT315T – Sentinel D-Box Twin Fan 315mm – Vent Axia

£3,612.57 ex. VAT
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SENT250T - Sentinel D-Box Twin Fan 250mm - Vent Axia
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Box Fans

SENT250T – Sentinel D-Box Twin Fan 250mm – Vent Axia

£2,993.28 ex. VAT
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SENT200T - Sentinel D-Box Twin Fan 200mm - Vent Axia
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Box Fans

SENT200T – Sentinel D-Box Twin Fan 200mm – Vent Axia

£2,786.84 ex. VAT
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SENT150T - Sentinel D-Box Twin Fan 150mm - Vent Axia
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Box Fans

SENT150T – Sentinel D-Box Twin Fan 150mm – Vent Axia

£2,580.41 ex. VAT
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SENT125T - Sentinel D-Box Twin Fan 125mm - Vent Axia
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Box Fans

SENT125T – Sentinel D-Box Twin Fan 125mm – Vent Axia

£1,961.09 ex. VAT
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SENT100T - Sentinel D-Box Twin Fan 100mm - Vent Axia
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Box Fans

SENT100T – Sentinel D-Box Twin Fan 100mm – Vent Axia

£1,961.09 ex. VAT
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SENT500S - Sentinel D-Box Single Fan 500mm - Vent Axia
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Box Fans

SENT500S – Sentinel D-Box Single Fan 500mm – Vent Axia

£3,488.72 ex. VAT
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SENT400S - Sentinel D-Box Single Fan 400mm - Vent Axia
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Box Fans

SENT400S – Sentinel D-Box Single Fan 400mm – Vent Axia

£3,075.85 ex. VAT
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SENT315S - Sentinel D-Box Single Fan 315mm - Vent Axia
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Box Fans

SENT315S – Sentinel D-Box Single Fan 315mm – Vent Axia

£2,580.41 ex. VAT
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SENT250S - Sentinel D-Box Single Fan 250mm - Vent Axia
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Box Fans

SENT250S – Sentinel D-Box Single Fan 250mm – Vent Axia

£2,062.27 ex. VAT
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SENT200S - Sentinel D-Box Single Fan 200mm - Vent Axia
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Box Fans

SENT200S – Sentinel D-Box Single Fan 200mm – Vent Axia

£1,859.97 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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