Ceiling Grille - 3 Cone Step Down Diffuser - 12" x 12" - 6" Collar Compatible with Duct 10" complete with a set of

complete with a set of sponge gasket and mounting frame

actual front end outer dimensions are approximately 12 5/8" width X 38 5/8" height

actual front end outer dimensions are approximately 28 5/8" width X 24 5/8" height

Powder-Coat Finish – smooth

Ceiling Grille - 3 Cone Step Down Diffuser - 12" x 12" - 6" Collar Compatible with Duct 10" complete with a set of+ 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