| Cast Iron Airbricks - (Cast Aluminium Airbricks also available) | |||
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| Air 1 9"x3" nominal (225mm x 75mm) |
Air 2 9"x6" nominal (225mm x 150mm) |
Air 3 9"x3" nominal (225mm x 75mm) |
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| Air 4 130mm dia |
Air 5 230mm dia |
Air 6 460mm diameter |
Air 7 9"x3" nominal (225mm x 75mm) |
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| Air 7a 9"x6" nominal (225mm x 150mm) |
Air 8 9"x6" nominal (225mm x 150mm) |
Air 8a 9"x3" nominal (225mm x 75mm) |
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| Air 9 1ft sq. (300mm x 300mm) |
Air 10 9"x9" nominal (225mm x 225mm) |
Air 11 9"x3" nominal (225mm x 75mm) |
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| Air 11a 9"x6" nominal (225mm x 150mm) |
Air 12 Available in any size |
Air 13 9"x9" nominal (225mm x 225mm) |
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