12" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (12" round duct opening) Fixed Blades This 14" X 12" end

This 14" X 12" end cap is constructed with 26-gauge galvanized steel

+ Product Details Compatible replacement for WC‑15 series speed controllers

GPH @ 1 FT: - 10

2" X 12" Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 12" X 4" is the opening (vent hole) dimension - actual size is approx

12" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (12" round duct opening) Fixed Blades This 14" X 12" end+ 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