16"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 17.75"w x 17.75"h] Color_Red Oak + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 34"w X 14"h is the size for the duct opening measurement only

modern touch to your home

+ Product Details Size – 34"w X 10"h is the size for the duct opening measurement only

Heavy Gauge Steel – Heavier gauge than needed

Actual Filter Size – 33 3/4"w x 27 3/4" x 1"

16"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh Black [Outer Dimensions 17.75"w x 17.75"h] Color_Red Oak + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 34"w X 14"h is the size for the duct opening measurement only modern touch to your home