36"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 17.75"h] Return actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 22 5/8" width X 12 5/8" height -

Designed for sidewall and ceiling installation with included screws

+ Product Details Size – 34" x 36" or 36" x 34" is the size for the duct opening measurement only

+ Product Details Size - 25"w X 36"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 30 5/8" width X 34 5/8" height

36"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 37.75"w x 17.75"h] Return actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 22 5 8" width X 12 5 8" height Designed for sidewall and ceiling installation with included screws