4" (100mm) Cowled Vent Wind Baffle Grille

Extractor Fans | Duct Grilles, Ceiling Vents & Wall Shutters | External Wall Grilles & Shutters |  4" (100mm) Cowled Vent Wind Baffle Grille

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4" (100mm) Cowled Vent Wind Baffle Grille

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From: 3.99 (Incl. VAT @ 20%)

Select A Quantity:

Select Your Size & Colour
(4") 100mm White 3.99
(4") 100mm Brown 3.99
(4") 100mm Black 3.99
(4") 100mm Grey 3.99
(4") 100mm Cotswold Stone 3.99
(4") 100mm Terracotta 3.99

4" (100mm) Cowled Vent Wind Baffle Grille

Ideal for mounting on an external wall that is in an exposed position and where an outlet will be open to bad weather. The baffled grille has two advantages; it stops wind from rattling the shutter and also stops back draft when an extractor fan is switched off.

  • Ideal for wind and rain protection.
  • 100mm (4") diameter duct connection that fits standard ducting or wall sleeves.
  • Single blade damper for anti back draught.
  • Easy screw fixing and connection to ducting.
  • Duct cowling baffle and blade are easily removed for fitting & cleaning.

We have updated our colour range for external cowled grilles to suit traditional building materials such as terracotta and cotswold stone. We have also included colours to suit more modern architectual designs like grey and black. Grilles can either descreetly blend in offer a contrasting look.
  • White.
  • Brown.
  • Black.
  • Grey
  • Cotswold Stone (Beige).
  • Terracotta.

White Finish

Our most popular colur. Matches well to gloss or matt white painted wood or uPVC windows, frames, fascias and roof soffits.

Dark Brown Finish

The brown finish has been specially selected for houses that have a dark wood finish.


A stylish colour suited to a more modern look and matches well with with the new style of black edged glass.


Suited for modern houses, commercial building, churches and town dwellings.

Cotswold Stone

A good look for period properties, cottages and light stone coloured houses.


A very comon new house colour, mainly used for town houses and newer buildings.

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