18"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 7.75"h] Aluminum Adjustable Curved Blade Works for all Air Conditioning VF-WB 2x12 PB our damper helps create 6" Round Duct Pipe

Works for all Air Conditioning applications including Ductless Mini-Split

Location – sidewall and ceiling

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

Universal Fit – Measures 6-1/4" wide x 4-3/4" high x 3" deep

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18"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 19.75"w x 7.75"h] Aluminum Adjustable Curved Blade Works for all Air Conditioning VF WB 2x12 PB our damper helps create 6" Round Duct Pipe Works for all Air Conditioning applications including Ductless Mini Split Location – sidewall and ceiling