Airbrick Cowls (Various Sizes Available)
External Airbrick Cowls
| Product Description | Equivalent Area | Fixing Hole Dimensions | Overall Dimensions | Colour | Product Code |
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| 9 x 3 external cowl | 8700mm² | 237mm x 78mm | 255mm x 96mm | terecotta | ABC93TE |
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| 9 x 3 external cowl | 8700mm² | 237mm x 78mm | 255mm x 96mm | brown | ABC93BR |
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| 9 x 6 external cowl | 16000mm² | 237mm x 136mm | 255mm x 154mm | teracotta | ABC96TE |
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| 9 x 6 external cowl | 16000mm² | 237mm x 136mm | 255mm x 154mm | brown | ABC96BR |
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| 9 x 9 external cowl | 23900mm² | 256mm x 217mm | 274mm x 235mm | teracotta | ABC99TE |
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| 9 x 9 external cowl | 23900mm² | 256mm x 217mm | 274mm x 235mm | brown | ABC99BR |
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