HVAC Premium Stick-on Take-Off | Take Off Duct | This 14" Galvanized Steel Metal Duct is Compatible with Duct 14" Grilles + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 28"w X 34"h is the size for the duct opening measurement only

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

Do not measure the overall grille for sizing

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 12" OR 12" x 26" duct opening (measured at the opening)

+ Product Description Upgrade your HVAC system with our 5" Round Air Vent Supply Grille

HVAC Premium Stick on Take Off Take Off Duct This 14" Galvanized Steel Metal Duct is Compatible with Duct 14" Grilles + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 28"w X 34"h is the size for the duct opening measurement only + Product Details Size 32"w X 12"h X 2"d (for duct opening measurement only)