14"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 15.75"w x 15.75"h] White + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 10"w X 30"h is the size for the duct opening measurement only

Actual Filter Size – 21 3/4"w x 5 3/4" x 1"

actual front end outer dimensions are approximately 30 5/8" width X 22 5/8" height

Actual Filter Size – 17 3/4"w x 15 3/4" x 1"

Actual Filter Size – 7 3/4"w x 29 3/4" x 1"

14"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh Brown [Outer Dimensions 15.75"w x 15.75"h] White + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 10"w X 30"h is the size for the duct opening measurement only Actual Filter Size – 21 3 4"w x 5 3 4" x 1"