14"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 11.75"h] Copper Coil-Insulated Line Set Install it with ease on 4 X 12 Is CRFG2028 Width_14in

Install it with ease on your ceilings to transform your space

+ Product Details Size - 16"w X 18"h is the size for the duct opening measurement only

Universal Fit – Measures 6" wide x 3-1-13/16" high x 3-1/8" deep

+ Product Details Size – 36"w X 32"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 8"h X 2"d (for duct opening measurement only)

14"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 15.75"w x 11.75"h] Copper Coil Insulated Line Set Install it with ease on 4 X 12 Is CRFG2028 Width_14in Install it with ease on your ceilings to transform your space + Product Details Size 16"w X 18"h is the size for the duct opening measurement only