Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 14" Vent Connection - Black Color_Black Great emphasis has been invested

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

actual front end outer dimensions are approximately 30 5/8" width X 20 5/8" height

The crank handle lever makes it easy to adjust to every weather situation

875" width X 10" height

+ Product Details Size - 6"w X 18"h is the size for the duct opening measurement only

Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 14" Vent Connection - Black Color_Black Great emphasis has been invested+ Product Details Size 24"w X 24"h. These are specially sized to fit into all drop ceilings, 24"x 24", also called T Bar systems. Can be hooked up with our "Butterfly Dampers" for precise airflow control. For 14" Round Duct Opening Spiral or Flex High Quality No sharp surface edges. Just run your finger along the edge of the top plate and youll find a smooth finished surface. Installation Location Ceiling. Design Easy unrestricted air flow for your