Ceiling Grille - 3 Cone Step Down Diffuser - 12" x 12" - 6" Collar 6in diameter designed for superior airflow control

designed for superior airflow control and noise-free operation

+ Product Details Size - 32"w X 26"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 8 5/8" height

If your duct opening is 14 inches in diameter

+ Product Details

Ceiling Grille - 3 Cone Step Down Diffuser - 12" x 12" - 6" Collar 6in diameter designed for superior airflow control+ Product Details Size 12"w X 12"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 6" 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