32"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 19.75"h] Curved Blade Steel + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 14"w X 12"h X 2"d (for duct opening measurement only)

rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included)

+ Product Details Size – 6" x 22" or 22" x 6" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 18" OR 18" x 32" duct opening (measured at the opening)

Actual Filter Size – 25 3/4"w x 7 3/4" x 1"

32"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 33.75"w x 19.75"h] Curved Blade Steel + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 14"w X 12"h X 2"d (for duct opening measurement only) rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included)