14"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 23.75"h] ceiling Actual Filter Size – 7 Product Details Size 14 Material_Anodized Aluminum LR164

Actual Filter Size – 7 3/4"w x 23 3/4" x 1"

Design – Designed to withstand bends and sharp turns without kinking

+ Product Details Size - 26"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 4"h is the size for the duct opening measurement only

+ Product Details Size – 28"w X 36"h is the size for the duct opening measurement only

14"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 15.75"w x 23.75"h] ceiling Actual Filter Size – 7 Product Details Size 14 Material_Anodized Aluminum LR164 Actual Filter Size – 7 3 4"w x 23 3 4" x 1" Design – Designed to withstand bends and sharp turns without kinking