12" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (12" round duct opening) with filter + Product Details Size -

+ Product Details Size - 22"w X 12"h X 2"d (for duct opening measurement only)

+ Product Description When it's time to upgrade your HVAC Vents in your house

specifically designed for the 45mm Ratcheting Tubing Cutter

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

Design – This duct fitting is designed for transitioning oval wall stack ducting to round sheet metal pipe

12" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (12" round duct opening) with filter + Product Details Size -+ Product Details Size 12" 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