18"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 11.75"h] Copper Coil With a 5" diameter for

With a 5" diameter for the duct opening measurement

actual front end outer dimensions are 15

Say goodbye to vibrating louvers - this grille ensures a quiet

actual front end outer dimensions are approximately 26 5/8" width X 16 5/8" height

Easy clean Healthy air flow for your HVAC system - noise free components - no vibrating louvers etc

18"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 11.75"h] Copper Coil With a 5" diameter for+ Product Details Size 18"w X 10"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 19. 75" Width X 11. 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