34"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 27.75"h] Return actual front end outer dimensions 4" Round Duct Pipe Product Details Size The SHEASC10W1-HP

actual front end outer dimensions are approximately 27 5/8" width X 26 5/8" height

+ Product Details Size - 24"w X 32"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 22"h is the size for the duct opening measurement only

Actual Filter Size – 9 3/4"w x 33 3/4" x 1"

75"H – fits a 24" X 6" duct opening

34"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 35.75"w x 27.75"h] Return actual front end outer dimensions 4" Round Duct Pipe Product Details Size The SHEASC10W1 HP actual front end outer dimensions are approximately 27 5 8" width X 26 5 8" height + Product Details Size 24"w X 32"h is the size for the duct opening measurement only