18"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 35.75"h] w12h12 + Product Details Size – 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
18"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 19.75"w x 35.75"h] w12h12 + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 20"w X 6"h is the size for the duct opening measurement only + Product Details Size 26"w X 12"h is the size for the duct opening measurement only