12" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (12" round duct opening) snips LIGHTWEIGHT AND DURABLE CONSTRUCTION: Made

LIGHTWEIGHT AND DURABLE CONSTRUCTION: Made of injection molded polypropylene that is light and easy to maneuver but rugged for long-lasting use even in extreme weather

purposes with tumbler lock & key (2 keys included) and can be installed on drywall

Actual dimensions: 19

enhancing the overall performance of your HVAC ducting system

powder-coated steel

12" BUTTERFLY DAMPER - For T-Bar, Drop Ceiling Grilles, (12" round duct opening) snips LIGHTWEIGHT AND DURABLE CONSTRUCTION: Made+ 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