Skip to content
  • Quality Fans at Unbeatable Prices from L&B Fans
    • Email Us
    • 01603 986784
  • Quality Fans at Unbeatable Prices from L&B Fans
L&B Fans & Ducting StoreL&B Fans & Ducting Store
  • £0.00
    • No products in the basket.

      Return to shop

  • Basket

    No products in the basket.

    Return to shop

  • 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

Box Fans

Home / Box Fans / Page 12
Filter

Showing 397–432 of 495 resultsSorted by popularity

Sort by
Product Tags
Fan Phase
Product categories
Brand
On sale
Quietflow SQSDCV400-1ECL - Elta - Centrifugal Box Fan
Quick View

Box Fans

Quietflow SQSDCV400-1ECL – Elta – Centrifugal Box Fan

£2,634.15 ex. VAT
Add to basket
Quietflow SQSDCV315-1ECL - Elta - Centrifugal Box Fan
Quick View

Box Fans

Quietflow SQSDCV315-1ECL – Elta – Centrifugal Box Fan

£2,045.09 ex. VAT
Add to basket
Quietflow SQSDCV250-1ECL - Elta - Centrifugal Box Fan
Quick View

Box Fans

Quietflow SQSDCV250-1ECL – Elta – Centrifugal Box Fan

£1,664.20 ex. VAT
Add to basket
Quietflow SQSDCV200-1ECL - Elta - Centrifugal Box Fan
Quick View

Box Fans

Quietflow SQSDCV200-1ECL – Elta – Centrifugal Box Fan

£1,370.78 ex. VAT
Add to basket
Quietflow SQSDCV150-1ECL - Elta - Centrifugal Box Fan
Quick View

Box Fans

Quietflow SQSDCV150-1ECL – Elta – Centrifugal Box Fan

£1,118.32 ex. VAT
Add to basket
Quietflow SQSDCV125-1ECL - Elta - Centrifugal Box Fan
Quick View

Box Fans

Quietflow SQSDCV125-1ECL – Elta – Centrifugal Box Fan

£1,118.32 ex. VAT
Add to basket
Quietflow SQSDCV100-1ECL - Elta - Centrifugal Box Fan
Quick View

Box Fans

Quietflow SQSDCV100-1ECL – Elta – Centrifugal Box Fan

£1,118.32 ex. VAT
Add to basket
Twinflow STDL200-1EC - Centrifugal Box Fan (Circular Spigot) - Elta
Quick View

Box Fans

Twinflow STDL200-1EC – Centrifugal Box Fan (Circular Spigot) – Elta

£1,598.53 ex. VAT
Add to basket
Twinflow STDL125-1EC - Centrifugal Box Fan (Circular Spigot) - Elta
Quick View

Box Fans

Twinflow STDL125-1EC – Centrifugal Box Fan (Circular Spigot) – Elta

£1,398.58 ex. VAT
Add to basket
Twinflow STDL500-1EC - Centrifugal Box Fan (Circular Spigot) - Elta
Quick View

Box Fans

Twinflow STDL500-1EC – Centrifugal Box Fan (Circular Spigot) – Elta

£3,392.70 ex. VAT
Add to basket
Twinflow STDL400-1EC - Centrifugal Box Fan (Circular Spigot) - Elta
Quick View

Box Fans

Twinflow STDL400-1EC – Centrifugal Box Fan (Circular Spigot) – Elta

£3,259.40 ex. VAT
Add to basket
Twinflow STDL315-1EC - Centrifugal Box Fan (Circular Spigot) - Elta
Quick View

Box Fans

Twinflow STDL315-1EC – Centrifugal Box Fan (Circular Spigot) – Elta

£2,342.43 ex. VAT
Add to basket
Singleflow SSDL150-1EC (Circular Spigot) - Centrifugal Box Fan - Elta
Quick View

Box Fans

Singleflow SSDL150-1EC (Circular Spigot) – Centrifugal Box Fan – Elta

£617.05 ex. VAT
Add to basket
Singleflow SSDL125-1EC (Circular Spigot) - Centrifugal Box Fan - Elta
Quick View

Box Fans

Singleflow SSDL125-1EC (Circular Spigot) – Centrifugal Box Fan – Elta

£591.25 ex. VAT
Add to basket
Singleflow SSDL100-1EC (Circular Spigot) - Centrifugal Box Fan - Elta
Quick View

Box Fans

Singleflow SSDL100-1EC (Circular Spigot) – Centrifugal Box Fan – Elta

£591.25 ex. VAT
Add to basket
Singleflow SSDL315-1EC (Circular Spigot) - Centrifugal Box Fan - Elta
Quick View

Box Fans

Singleflow SSDL315-1EC (Circular Spigot) – Centrifugal Box Fan – Elta

£1,124.45 ex. VAT
Add to basket
Singleflow SSDL250-1EC (Circular Spigot) - Centrifugal Box Fan - Elta
Quick View

Box Fans

Singleflow SSDL250-1EC (Circular Spigot) – Centrifugal Box Fan – Elta

£882.58 ex. VAT
Add to basket
Singleflow SSDL400-1EC (Circular Spigot) - Centrifugal Box Fan - Elta
Quick View

Box Fans

Singleflow SSDL400-1EC (Circular Spigot) – Centrifugal Box Fan – Elta

£1,872.65 ex. VAT
Add to basket
Singleflow SSDL200-1EC (Circular Spigot) - Centrifugal Box Fan - Elta
Quick View

Box Fans

Singleflow SSDL200-1EC (Circular Spigot) – Centrifugal Box Fan – Elta

£741.75 ex. VAT
Add to basket
Singleflow SSDL500-3EC (Circular Spigot) - Centrifugal Box Fan - Elta
Quick View

Box Fans

Singleflow SSDL500-3EC (Circular Spigot) – Centrifugal Box Fan – Elta

£2,262.88 ex. VAT
Add to basket
Quietflow Twin SQT500-3ECL - Elta - Centrifugal Twin Box Fan
Quick View

Box Fans

Quietflow Twin SQT500-3ECL – Elta – Centrifugal Twin Box Fan

£4,171.01 ex. VAT
Add to basket
Quietflow Twin SQT500-1ECL - Elta - Centrifugal Twin Box Fan
Quick View

Box Fans

Quietflow Twin SQT500-1ECL – Elta – Centrifugal Twin Box Fan

£4,210.87 ex. VAT
Add to basket
Quietflow Twin SQT400-1ECL - Elta - Centrifugal Twin Box Fan
Quick View

Box Fans

Quietflow Twin SQT400-1ECL – Elta – Centrifugal Twin Box Fan

£3,683.82 ex. VAT
Add to basket
Quietflow Twin SQT315-1ECL - Elta - Centrifugal Twin Box Fan
Quick View

Box Fans

Quietflow Twin SQT315-1ECL – Elta – Centrifugal Twin Box Fan

£2,955.25 ex. VAT
Add to basket
Quietflow Twin SQT200-1ECL - Elta - Centrifugal Twin Box Fan
Quick View

Box Fans

Quietflow Twin SQT200-1ECL – Elta – Centrifugal Twin Box Fan

£1,718.45 ex. VAT
Add to basket
Multiflow SMB500/4-3AC - Elta - Mixed Flow Box Fan
Quick View

Box Fans

Multiflow SMB500/4-3AC – Elta – Mixed Flow Box Fan

£1,030.93 ex. VAT
Add to basket
Multiflow SMB500/4-1AC - Elta - Mixed Flow Box Fan
Quick View

Box Fans

Multiflow SMB500/4-1AC – Elta – Mixed Flow Box Fan

£1,152.40 ex. VAT
Add to basket
Multiflow SMB450/4-3AC - Elta - Mixed Flow Box Fan
Quick View

Box Fans

Multiflow SMB450/4-3AC – Elta – Mixed Flow Box Fan

£956.75 ex. VAT
Add to basket
Multiflow SMB450/4-1AC - Elta - Mixed Flow Box Fan
Quick View

Box Fans

Multiflow SMB450/4-1AC – Elta – Mixed Flow Box Fan

£1,070.70 ex. VAT
Add to basket
Multiflow SMB400/4-3AC - Elta - Mixed Flow Box Fan
Quick View

Box Fans

Multiflow SMB400/4-3AC – Elta – Mixed Flow Box Fan

£752.50 ex. VAT
Add to basket
Multiflow SMB400/4-1AC - Elta - Mixed Flow Box Fan
Quick View

Box Fans

Multiflow SMB400/4-1AC – Elta – Mixed Flow Box Fan

£823.45 ex. VAT
Add to basket
SVS EC 250 - Helios - SlimVent EC-Centrifugal Fan Acoustically Lined
Quick View

Box Fans

SVS EC 250 – Helios – SlimVent EC-Centrifugal Fan Acoustically Lined

£795.20 ex. VAT
Add to basket
SVS EC 160 B - Helios - SlimVent EC-Centrifugal Fan Acoustically Lined
Quick View

Box Fans

SVS EC 160 B – Helios – SlimVent EC-Centrifugal Fan Acoustically Lined

£590.55 ex. VAT
Add to basket
SVS EC 160 A - Helios - SlimVent EC-Centrifugal Fan Acoustically Lined
Quick View

Box Fans

SVS EC 160 A – Helios – SlimVent EC-Centrifugal Fan Acoustically Lined

£564.82 ex. VAT
Add to basket
KABT/4 12000/560 (2.2KW 230/400V) - Soler And Palau - Three Phase 4 Pole - Acoustic Centrifugal Kitchen Extract Fan
Quick View

Box Fans

KABT/4 12000/560 (2.2KW 230/400V) – Soler And Palau – Three Phase 4 Pole – Acoustic Centrifugal Kitchen Extract Fan

£2,197.18 ex. VAT
Add to basket
KABT/4 9000/500 (1.5KW 230/400V) - Soler And Palau - Three Phase 4 Pole - Acoustic Centrifugal Kitchen Extract Fan
Quick View

Box Fans

KABT/4 9000/500 (1.5KW 230/400V) – Soler And Palau – Three Phase 4 Pole – Acoustic Centrifugal Kitchen Extract Fan

£1,739.91 ex. VAT
Add to basket
  • 1
  • 2
  • 3
  • …
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
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
bg_image
© 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
  • Login / Register

Login

Lost your password?

Register