10" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (10" round duct opening) fixed bar + Product Details Size -

+ Product Details Size - 25"w X 16"h is the size for the duct opening measurement only

+ Product Details Size – 34"w X 30"h is the size for the duct opening measurement only

please note that the total outer dimensions of the grille measure 8" in diameter

Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

even without needing to remove the thermostat

10" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (10" round duct opening) fixed bar + Product Details Size -+ 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