8"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 27.75"h] Powder-Coat + Product Details Size – our copper coil is Color_Anodized Aluminum CRG2232

+ Product Details Size – 8" x 28" or 28" x 8" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 14 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 28" OR 28" X 16" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 26" OR 26" x 18" duct opening (measured at the opening)

Featuring a multi-shutter damper with an easy-access lever

8"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 9.75"w x 27.75"h] Powder Coat + Product Details Size – our copper coil is Color_Anodized Aluminum CRG2232 + Product Details Size – 8" x 28" or 28" x 8" is the size for the duct opening measurement only actual front end outer dimensions are approximately 27 5 8" width X 14 5 8" height