Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 2 Coned - 24" x 24" - For 12" Vent Connection - Black Material_Anodized Aluminum + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 24" OR 24" x 30" duct opening (measured at the opening)

actual front end outer dimensions are approximately 10 5/8" width X 36 5/8" height

+ Product Details Size - 12"w X 32"h X 2"d (for duct opening measurement only)

+ Product Details Size – 12" X 2" is the size for the duct opening (floor/vent hole) measurement only

+ Product Details Size - 34"w X 12"h X 2"d (for duct opening measurement only)

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 2 Coned - 24" x 24" - For 12" Vent Connection - Black Material_Anodized Aluminum + Product Details Perfect FitDrop Ceiling HVAC Supply Grille For T Bar Lay In 2 Coned 24" x 24" For 6" Vent Connection Black These are specially sized to fit into all drop cielings, 24"x 24", also called T Bar systems. Can be hooked up with our "Butterfly Dampers" for precise airflow control Why HVAC Premium? You may think of grilles and registers as a generic component of the ventilation system in your house. But they are also the most visible representation of you air system.