34"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 7.75"h] Aluminum Bar + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 26"w X 10"h X 2"d (for duct opening measurement only)

High Quality – Extra Heavy Duty to withstand constant walk on situations

+ Product Details Size – 12" x 16" or 16" x 12" is the size for the duct opening measurement only

Choose our premium HVAC grilles and registers for long-lasting durability

actual front end outer dimensions are approximately 34 5/8" width X 16 5/8" height

34"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 35.75"w x 7.75"h] Aluminum Bar + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 26"w X 10"h X 2"d (for duct opening measurement only) High Quality – Extra Heavy Duty to withstand constant walk on situations