34"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 31.75"h] w6h6 Ideal for Walls & Ceilings: Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 10" duct openings

while the powder-coat finish offers a sleek

and waste gases transmission lines

+ Product Details Size – 6" x 10" or 10" x 6" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 32 5/8" width X 26 5/8" height -

34"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 35.75"w x 31.75"h] w6h6 Ideal for Walls & Ceilings: Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 10" duct openings while the powder coat finish offers a sleek