14"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 13.75"h] w8h8 75"H – fits a 18" 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
75"H – fits a 18" X 12" duct opening
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+ Product Details Size – 28" x 34" or 34" x 28" is the size for the duct opening measurement only
actual front end outer dimensions are approximately 34 5/8" width X 36 5/8" height
+ Product Details Size – 26"w X 26"h is the size for the duct opening measurement only
14"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 15.75"w x 13.75"h] w8h8 75"H – fits a 18" 4 X 12 Is CRFG2028 Width_14in 75"H – fits a 18" X 12" duct opening } ul { margin bottom: 15px