Fire Dampers Class E

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  RABC

  Circular fire damper

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  RABCR

  Circular modulating fire damper

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  RABC-VAV

  Circular fire damper with VAV-flow control

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  RABR

  Rectangular fire damper

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  RABRR

  Rectangular fire damper

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  RABR-VAV

  Rectangular fire damper with VAV-flow control