10"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 11.75"w x 11.75"h] Material_Aluminum Designed for optimal air flow actual front end outer LO246 Powder Coated

Designed for optimal air flow and lasting durability

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 6" or 6" x 10" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 30" or 30" x 6" duct opening (measured at the opening)

+ Product Details Size - 16"w X 30"h is the size for the duct opening measurement only

each available in a variety of high-quality materials like brushed nickel

10"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh Brown [Outer Dimensions 11.75"w x 11.75"h] Material_Aluminum Designed for optimal air flow actual front end outer LO246 Powder Coated Designed for optimal air flow and lasting durability + Product Details Perfect Fit & Easy Sizing Designed for a 10" x 6" or 6" x 10" duct opening (measured at the opening)