12"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 33.75"h] 3-Way or 4-Way + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 22" x 26" or 26" x 22" is the size for the duct opening measurement only

this grille offers durability and resistance to rust and corrosion

actual front end outer dimensions are approximately 24 5/8" width X 8 5/8" height

Actual Filter Size – 24 3/4"w x 23 3/4" x 1"

5"w X 12"h]

12"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 13.75"w x 33.75"h] 3 Way or 4 Way + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 22" x 26" or 26" x 22" is the size for the duct opening measurement only this grille offers durability and resistance to rust and corrosion