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FDR25
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Product Options
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The FDR25 is a UL555 Classified 1-1/2 Hour rated Round Fire Damper. It features:
- Retaining cinch plates and extended duct connections for adjustable installation.
- Low pressure drop.
- Vertical and horizontal closure spring operation for assured closure under air flow (fans on) in HVAC systems.
- Galvanized steel construction.
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