Selected 48 products
VRVS (round)
    VRVS (round)
    • Ventilation accessories
    • backdraft damper
    • For round ducts
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    Backdraft dampers.
    VRVS (rectangular)
      VRVS (rectangular)
      • Ventilation accessories
      • backdraft damper
      • For rectangular ducts
      More
      Backdraft dampers.
      AVK (rectangular)
        AVK (rectangular)
        • Ventilation accessories
        • For rectangular ducts
        More
        Shutters.