32"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 15.75"h] 18" Round Duct Pipe + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 18" or 18" x 12" duct opening (measured at the opening)

this register is built to perform and look great for years to come

and lay it flat in the grid

+ Product Details Size – 32"w X 18"h is the size for the duct opening measurement only

+ Product Details Size – 18"w X 32"h is the size for the duct opening measurement only

32"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 33.75"w x 15.75"h] 18" Round Duct Pipe + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Perfect Fit & Easy Sizing Designed for a 12" x 18" or 18" x 12" duct opening (measured at the opening) this register is built to perform and look great for years to come