36"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 35.75"h] Return + Product Details Size – 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size – 14"w X 8"h is the size for the duct opening measurement only

featuring a 6" round duct opening

High Standard Quality - Every part is hand inspected for quality before it is packaged

Smooth Powder Coat Finish: The grill boasts a sleek and smooth powder coat finish that not only adds a touch of elegance to your surroundings but also enhances its resistance against wear and tear

For 8" Round Duct Opening - Spiral or Flex

36"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 37.75"w x 35.75"h] Return + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 14"w X 8"h is the size for the duct opening measurement only featuring a 6" round duct opening