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Grilles, Ducts & Fittings – Essential Ventilation Components

Grilles, ducts, and fittings are fundamental components in ventilation systems, ensuring efficient airflow and air distribution across various environments. Our collection offers a diverse selection of these components, catering to the needs of professionals throughout the UK. Whether you're working on residential, commercial, or industrial projects, these products provide reliable performance and durability.

Available in various sizes, materials, and designs, including galvanized steel, aluminum, and plastic, our grilles, ducts, and fittings are suitable for a wide range of applications. From supply and return air grilles to flexible and rigid ducting, each component is designed to meet the specific requirements of your ventilation system.

The precision engineering of our components ensures secure connections and optimal airflow, minimizing energy loss and enhancing system efficiency. Whether you're installing a new system or upgrading an existing one, selecting the right components is crucial for achieving desired performance and compliance with building regulations.

Browse our selection to find the ideal grilles, ducts, and fittings that meet your specific needs, ensuring a professional and lasting result.

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    Blauberg

    Blauberg DECOR 155X155/100S WHITE Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm

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    Blauberg DECOR 155X155/100S WHITE Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm Product Description Blauberg Decor fixed bl...

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    Blauberg

    Blauberg DECOR 155X155/100S BLACK Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm

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    Blauberg DECOR 155X155/100S BLACK Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm Product Description Blauberg Decor fixed bl...

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    Blauberg

    Blauberg DECOR 155X155/100G WHITE Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm

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    Blauberg DECOR 155X155/100G WHITE Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm Product Description Blauberg Decor...

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    Blauberg

    Blauberg DECOR 155X155/100G BLACK Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm

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    Blauberg DECOR 155X155/100G BLACK Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm Product Description Blauberg Decor...

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    £4.28
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    Blauberg

    Blauberg DECOR 155X155/100HK BLACK Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm

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    Blauberg DECOR 155X155/100HK BLACK Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm Product Description Decor Cowled Exter...

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  • Blauberg AH-10-100-COTSWOLD-STONE External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm - westbasedirect.com
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    Blauberg

    Blauberg AH-10-100-COTSWOLD-STONE External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm

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    Blauberg AH-10-100-COTSWOLD-STONE External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm Product Description A brilliantly designed external ...

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    £21.35
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    Blauberg

    Blauberg DECOR 155X155/100HK WHITE Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm

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    Blauberg DECOR 155X155/100HK WHITE Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm Product Description Decor Cowled Exter...

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    Blauberg

    Blauberg AH-10-100-BROWN External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm

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    Blauberg AH-10-100-BROWN External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm Product Description A brilliantly designed external wall vent...

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    Blauberg

    Blauberg DECOR 155X155/100G GREY Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm

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    Blauberg DECOR 155X155/100G GREY Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm Product Description Blauberg Decor ...

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    Blauberg

    Blauberg DECOR 155X155/100S GREY Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm

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    Blauberg DECOR 155X155/100S GREY Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm Product Description Blauberg Decor fixed bla...

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    Blauberg

    Blauberg AH-10-100-BLACK External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm

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    Blauberg AH-10-100-BLACK External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm Product Description A brilliantly designed external wall vent...

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    £21.35
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    £21.35
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    Blauberg

    Blauberg DECOR 155X155/100G TERRACOTTA Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm

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    Blauberg DECOR 155X155/100G TERRACOTTA Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm Product Description Blauberg ...

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    £4.28
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    Blauberg

    Blauberg DECOR 155X155/100HK TERRACOTTA Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm

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    Blauberg DECOR 155X155/100HK TERRACOTTA Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm Product Description Decor Cowled ...

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    £10.06
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    Blauberg

    Blauberg VPR-100 Plastic Circular White Ceiling Air Valve Vent Diffuser MVHR MEV Ventilation System with Flange - 4" 100mm

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    Blauberg VPR-100 Plastic Circular White Ceiling Air Valve Vent Diffuser MVHR MEV Ventilation System with Flange - 4" 100mm Product Description Int...

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    £10.06
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    Blauberg

    Blauberg DECOR 100-MB TERRACOTTA Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm

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    Blauberg DECOR 100-MB TERRACOTTA Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm Product Description T...

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    Blauberg

    Blauberg DECOR 100-MB BROWN Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm

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    Blauberg DECOR 100-MB BROWN Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm Product Description The Bl...

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    £4.89
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    Blauberg

    Blauberg DECOR 100-MB BLACK Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm

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    Blauberg DECOR 100-MB BLACK Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm Product Description The Bl...

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    £4.89
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    £4.89
    £3.99 Exc VAT
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    Knightsbridge

    Knightsbridge EX009B 100mm/4 inch Extractor Fan Grille with Fly Screen - Black

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    Knightsbridge EX009B 100mm/4 inch Extractor Fan Grille with Fly Screen - Black Ideal fuss free solution when you need to install a hole in an exter...

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    Blauberg

    Blauberg DECOR 155X155/100S TERRACOTTA Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm

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    Dispatch in 2-3 Days

    Blauberg DECOR 155X155/100S TERRACOTTA Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm Product Description Blauberg Decor fix...

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    £4.72
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    £4.72
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    Blauberg

    Blauberg DECOR 155X155/100S BROWN Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm

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    Blauberg DECOR 155X155/100S BROWN Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm Product Description Blauberg Decor fixed bl...

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    £4.72
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    Blauberg

    Blauberg AH-10-100-WHITE External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm

    Availability:
    IN STOCK

    Blauberg AH-10-100-WHITE External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm Product Description A brilliantly designed external wall vent...

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    £21.35
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    £21.35
    £15.83 Exc VAT
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    Blauberg

    Blauberg AH-10-100-GREY External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm

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    IN STOCK

    Blauberg AH-10-100-GREY External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm Product Description A brilliantly designed external wall vent ...

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    £21.35
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    £21.35
    £15.83 Exc VAT
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    £4.15 Exc VAT
    Blauberg

    Blauberg DECOR 155X155/100G BROWN Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm

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    Blauberg DECOR 155X155/100G BROWN Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm Product Description Blauberg Decor...

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    £4.28
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    £3.46 Exc VAT
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    £5.77 Exc VAT
    Blauberg

    Blauberg DECOR 155X155/100HK GREY Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm

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    Blauberg DECOR 155X155/100HK GREY Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm Product Description Decor Cowled Extern...

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    £6.55
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    £6.55
    £4.81 Exc VAT
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    Sold out
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    Blauberg

    Blauberg DECOR 155X155/100HK COTSWOLD STONE Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm

    Availability:
    SOLD OUT

    Blauberg DECOR 155X155/100HK COTSWOLD STONE Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm Product Description Decor Cow...

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    £6.48
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    £6.48
    £4.81 Exc VAT
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    Sold out
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    £6.88 Exc VAT

    Deta Vimark 4824 4" 100mm Wall Fixing Kit

    Deta
    Availability:
    Dispatch in 2-3 Days

    Deta Vimark 4824 4" (100mm) Wall Fixing Kit The Deta Vimark 4824 Wall Fixing Kit is designed for 100mm (4") ventilation systems, making it an ...

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    £6.88 - £6.88
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    Deta Vimark 4845 4" 100mm Back Draught Shutter

    Deta
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    Dispatch in 2-3 Days

    Deta Vimark 4845 4" (100mm) Back Draught Shutter The Deta Vimark 4845 back draught shutter is designed for 100mm (4") ventilation ducts, provi...

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    Deta Vimark 4821BR 4" 100mm Gravity Grille Brown

    Deta
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    Deta Vimark 4821BR 4" (100mm) Gravity Grille – Brown The Deta Vimark 4821BR gravity grille is designed for 100mm (4") ventilation ducts, provi...

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    £3.95 Exc VAT
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    Deta Vimark 4831BR 4" 100mm External Hood Brown

    Deta
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    Deta Vimark 4831BR 4" (100mm) External Hood – Brown The Deta Vimark 4831BR external hood is a durable and practical cover designed for 100mm (...

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    Deta Vimark 4831WH 4" 100mm External Hood White

    Deta
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    Deta Vimark 4831WH 4" (100mm) External Hood – White The Deta Vimark 4831WH external hood is a robust and practical cover designed for 100mm (4...

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    Deta Vimark 4822WH 4" 100mm Fixed Grille White

    Deta
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    Deta Vimark 4822WH 4" (100mm) Fixed Grille – White The Deta Vimark 4822WH fixed grille is a robust vent cover designed for 100mm (4") ventilat...

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    £4.25 Exc VAT
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    £4.25 Inc VAT
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    £4.25 Exc VAT

    Deta Vimark 4822BR 4" 100mm Fixed Grille Brown

    Deta
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    Deta Vimark 4822BR 4" (100mm) Fixed Grille – Brown The Deta Vimark 4822BR fixed grille is designed for 100mm (4") ventilation systems and offe...

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    £4.25 Exc VAT
  • Main Image
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    £3.95 Inc VAT
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    £3.95 Inc VAT
    £3.95 - £3.95 Exc VAT
    £3.95 Exc VAT

    Deta Vimark 4821WH 4" 100mm Gravity Grille White

    Deta
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    Dispatch in 2-3 Days

    Deta Vimark 4821WH 4" (100mm) Gravity Grille – White The Deta Vimark 4821WH gravity grille is a practical solution for 100mm (4") ventilation ...

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    £3.95 - £3.95
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    £3.95 Inc VAT
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    £3.95 Exc VAT
  • Main Image
    Sold out
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    Blauberg

    Blauberg VPR-100-CHROME Plastic Circular Chrome Ceiling Air Valve Vent Diffuser MVHR MEV Ventilation System with Flange - 4" 100mm

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    Blauberg VPR-100-CHROME Plastic Circular Chrome Ceiling Air Valve Vent Diffuser MVHR MEV Ventilation System with Flange - 4" 100mm Product Descript...

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    Sold out
  • Main Image
    £6.08
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    Blauberg

    Blauberg DPR-100 Plastic White Circular Ceiling Vent Diffuser Duct Extractor Ventilation Fan Grille - 4" 100mm

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    Blauberg DPR-100 Plastic White Circular Ceiling Vent Diffuser Duct Extractor Ventilation Fan Grille - 4" 100mm Product Description Ceiling Mounted...

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    £6.08
    £6.08 - £6.08
    £6.08
    £4.37 Exc VAT
    £5.24 Inc VAT
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    £15.23 Exc VAT
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    Blauberg

    Blauberg DPR-100-CHROME Plastic Chrome Circular Ceiling Vent Diffuser Duct Extractor Ventilation Fan Grille - 4" 100mm

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    Blauberg DPR-100-CHROME Plastic Chrome Circular Ceiling Vent Diffuser Duct Extractor Ventilation Fan Grille - 4" 100mm Product Description Circula...

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    £18.27 - £18.27
    £15.23 Exc VAT
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    £4.47 Inc VAT
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    Blauberg

    Blauberg DECOR 155X155-100G SLATE GREY Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm

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    Blauberg DECOR 155X155-100G SLATE GREY Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm Product Description Blauberg D...

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    £4.77
    £4.77 - £4.77
    £4.77
    £3.73 Exc VAT
    £4.47 Inc VAT
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  • Main Image
    £4.77
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    £4.77
    £3.73 Exc VAT
    £4.47 Inc VAT
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    Blauberg

    Blauberg DECOR 155X155-100G COTTAGE RED Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm

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    Blauberg DECOR 155X155-100G COTTAGE RED Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille 4" 100mm Product Description Blauberg ...

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    £4.77
    £4.77 - £4.77
    £4.77
    £3.73 Exc VAT
    £4.47 Inc VAT
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    £4.47 Exc VAT
  • Main Image
    £7.32
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    £7.32
    £4.81 Exc VAT
    £5.77 Inc VAT
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    £5.77 Exc VAT
    Blauberg

    Blauberg DECOR 155X155-100HK SLATE GREY Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm

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    Blauberg DECOR 155X155-100HK SLATE GREY Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm Product Description Decor Cowled E...

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    £7.32
    £7.32 - £7.32
    £7.32
    £4.81 Exc VAT
    £5.77 Inc VAT
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    £5.77 Exc VAT
  • Main Image
    £7.32
    £7.32 - £7.32
    £7.32
    £4.81 Exc VAT
    £5.77 Inc VAT
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    £5.77 Inc VAT
    £5.77 - £5.77 Exc VAT
    £5.77 Exc VAT
    Blauberg

    Blauberg DECOR 155X155-100HK COTTAGE RED Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm

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    Blauberg DECOR 155X155-100HK COTTAGE RED Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille 4" 100mm Product Description Decor Cowled ...

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    £7.32
    £7.32 - £7.32
    £7.32
    £4.81 Exc VAT
    £5.77 Inc VAT
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    £5.77 Exc VAT
  • Main Image
    £5.05
    £5.05 - £5.05
    £5.05
    £3.73 Exc VAT
    £4.47 Inc VAT
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    £4.47 Inc VAT
    £4.47 - £4.47 Exc VAT
    £4.47 Exc VAT
    Blauberg

    Blauberg DECOR 155X155-100S SLATE GREY Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm

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    Blauberg DECOR 155X155-100S SLATE GREY Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm Product Description Blauberg Decor fixe...

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    £5.05
    £5.05 - £5.05
    £5.05
    £3.73 Exc VAT
    £4.47 Inc VAT
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    £4.47 Inc VAT
    £4.47 - £4.47 Exc VAT
    £4.47 Exc VAT
  • Main Image
    £5.05
    £5.05 - £5.05
    £5.05
    £3.73 Exc VAT
    £4.47 Inc VAT
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    £4.47 Inc VAT
    £4.47 - £4.47 Exc VAT
    £4.47 Exc VAT
    Blauberg

    Blauberg DECOR 155X155-100S COTTAGE RED Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm

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    Blauberg DECOR 155X155-100S COTTAGE RED Plastic Vented Fixed Blade Air Ventilation Louvred Grille 4" 100mm Product Description Blauberg Decor fix...

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    £5.05
    £5.05 - £5.05
    £5.05
    £3.73 Exc VAT
    £4.47 Inc VAT
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    £4.47 Inc VAT
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    £4.47 Exc VAT
  • Main Image
    £23.99
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    £23.99
    £18.33 Exc VAT
    £21.99 Inc VAT
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    £21.99 Inc VAT
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    £21.99 Exc VAT
    Blauberg

    Blauberg AH-10-100-SLATE GREY External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm

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    Blauberg AH-10-100-SLATE GREY External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm Product Description A brilliantly designed external wall ...

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    £23.99
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    £23.99
    £18.33 Exc VAT
    £21.99 Inc VAT
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    £21.99 Exc VAT
  • Main Image
    £23.99
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    £23.99
    £18.33 Exc VAT
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    Blauberg

    Blauberg AH-10-100-COTTAGE RED External Wall Wind Sound Baffle Vent Cover Draft 4" 100mm

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    £23.99
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    £23.99
    £18.33 Exc VAT
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    £21.99 Exc VAT
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    £4.89
    £3.99 Exc VAT
    £4.79 Inc VAT
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    £4.79 Exc VAT
    Blauberg

    Blauberg DECOR 100-MB WHITE Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm

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    Blauberg DECOR 100-MB WHITE Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm Product Description The Bl...

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    £4.89
    £4.89 - £4.89
    £4.89
    £3.99 Exc VAT
    £4.79 Inc VAT
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    £4.79 Exc VAT
  • Main Image
    £5.63
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    £5.63
    £4.61 Exc VAT
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    £5.53 - £5.53 Exc VAT
    £5.53 Exc VAT
    Blauberg

    Blauberg DECOR 100-MB SLATE GREY Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm

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    Blauberg DECOR 100-MB SLATE GREY Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm Product Description T...

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    £5.63
    £5.63 - £5.63
    £5.63
    £4.61 Exc VAT
    £5.53 Inc VAT
    £5.53 - £5.53
    £5.53 Inc VAT
    £5.53 - £5.53 Exc VAT
    £5.53 Exc VAT
  • Main Image
    £4.89
    £4.89 - £4.89
    £4.89
    £3.99 Exc VAT
    £4.79 Inc VAT
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    £4.79 Inc VAT
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    £4.79 Exc VAT
    Blauberg

    Blauberg DECOR 100-MB COTSWOLD STONE Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm

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    Blauberg DECOR 100-MB COTSWOLD STONE Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm Product Descriptio...

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    £4.89
    £4.89 - £4.89
    £4.89
    £3.99 Exc VAT
    £4.79 Inc VAT
    £4.79 - £4.79
    £4.79 Inc VAT
    £4.79 - £4.79 Exc VAT
    £4.79 Exc VAT
  • Main Image
    £4.89
    £4.89 - £4.89
    £4.89
    £3.99 Exc VAT
    £4.79 Inc VAT
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    £4.79 Inc VAT
    £4.79 - £4.79 Exc VAT
    £4.79 Exc VAT
    Blauberg

    Blauberg DECOR 100-MB GREY Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm

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    IN STOCK

    Blauberg DECOR 100-MB GREY Round Plastic Vented Fixed Blade Air Ventilation Louvred Wall Soffit Cover Grille 4" 100mm Product Description The Bla...

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    £4.89
    £4.89 - £4.89
    £4.89
    £3.99 Exc VAT
    £4.79 Inc VAT
    £4.79 - £4.79
    £4.79 Inc VAT
    £4.79 - £4.79 Exc VAT
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