10" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (10" round duct opening) fixed bar For 14" Round Duct Opening

For 14" Round Duct Opening - Spiral or Flex

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10" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (10" round duct opening) fixed bar For 14" Round Duct Opening+ Product Details Size 10" round duct opening Heavy Gauge Steel Heavier gauge than needed, built for durability and long life in mind, but still very thin. Installation Location Ceiling. Design This airflow control component are made to connect to a drop ceiling lay in diffuser grille. Powder Coat Finish smooth, shiny, scratch resistant, beautiful. Looks like it was just waxed. + Product Description Introducing the 6" Butterfly Damper Your Solution