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 + Product Details Size - CRFG2028 Width_14in 4 X 12 Is

+ Product Details Size - 30"w X 16"h X 2"d (for duct opening measurement only)

Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 6" duct openings

+ Product Details Size – 18" x 36" or 36" x 18" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 18" Or 18" x 34" duct opening (measured at the opening)

Install it with ease on your ceilings to transform your space

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 + Product Details Size CRFG2028 Width_14in 4 X 12 Is + Product Details Size 30"w X 16"h X 2"d (for duct opening measurement only) Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 6" duct openings