4" X 12" Modern Victorian Floor Register Grille With Dampers - Decorative Grate - HVAC Vent Duct Cover - Antique Brass 14" Diameter Design – These Supply Diffusers CADJB4-C-1010 min width 14px Sheet Metal Fittings

Design – These Supply Diffusers with integral round necks are recommended for heating

+ Product Details Size - 30"w X 10"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 30" or 30" x 12" duct opening (measured at the opening)

engineered for seamless 360-degree airflow in T-bar ceilings

4" X 12" Modern Victorian Floor Register Grille With Dampers Decorative Grate HVAC Vent Duct Cover Antique Brass 14" Diameter Design – These Supply Diffusers CADJB4 C 1010 min width 14px Sheet Metal Fittings Design – These Supply Diffusers with integral round necks are recommended for heating + Product Details Size 30"w X 10"h X 2"d (for duct opening measurement only)