34"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 37.75"h] ceiling The total outer size of Height_14in WD G128 hp jblade overlay

The total outer size of this grille is the listed size plus plus 2 and 5/8"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening)

+ Product Details Size - 34"w X 24"h is the size for the duct opening measurement only

+ Product Details Size - 12"w X 10"h X 2"d (for duct opening measurement only)

and a polished

34"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 35.75"w x 37.75"h] ceiling The total outer size of Height_14in WD G128 hp jblade overlay The total outer size of this grille is the listed size plus plus 2 and 5 8" + Product Details Perfect Fit & Easy Sizing Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening)