36"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 37.75"w x 37.75"h] Insulated Line Set + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 32" x 32" is the size for the duct opening measurement only

Its sturdy construction guarantees a smooth

+ Product Details Size - 8"w X 16"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 20 5/8" width X 38 5/8" height -

Actual Filter Size – 35 3/4"w x 33 3/4" x 1"

36"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh Black [Outer Dimensions 37.75"w x 37.75"h] Insulated Line Set + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 32" x 32" is the size for the duct opening measurement only Its sturdy construction guarantees a smooth