14"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 35.75"h] Aluminum Adjustable Curved Blade 75"H – fits a 18"

75"H – fits a 18" X 18" duct opening

Design – Unrestricted airflow for your HVAC system - adjustable one-way louver with full horizontal airflow directional control - single deflection supply grill with 96% airflow - noise free components - no vibrating louvers etc

+ Product Details Size - 6"w X 18"h X 2"d (for duct opening measurement only)

+ Product Details Size – 24"w X 26"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 8" duct openings

14"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 35.75"h] Aluminum Adjustable Curved Blade 75"H – fits a 18"+ Product Details Size 14"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 35. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never