32"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 35.75"h] w26h26 + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 22"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 16"h is the size for the duct opening measurement only

designed for superior airflow (up to 95%) and easy filter access

Horizontal blades in the front

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32"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 33.75"w x 35.75"h] w26h26 + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 22"w X 8"h is the size for the duct opening measurement only + Product Details Size 20"w X 16"h is the size for the duct opening measurement only