8"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 9.75"w x 9.75"h] 14in diameter Equipped with a lever to Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Equipped with a lever to adjust airflow to your preference

+ Product Details Size - 10"w X 14"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 31

+ Product Details Size - 10"w X 28"h X 2"d (for duct opening measurement only)

Round-neck-to-square-face construction results in 360 degree air diffusion pattern similar to a full round diffuser

8"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh Brown [Outer Dimensions 9.75"w x 9.75"h] 14in diameter Equipped with a lever to Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Equipped with a lever to adjust airflow to your preference + Product Details Size 10"w X 14"h X 2"d (for duct opening measurement only)