16"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 7.75"h] Copper Coil-Insulated Line Set + Product Details Size –

+ Product Details Size – 24" x 30" or 30" x 24" is the size for the duct opening measurement only

this model ensures top-notch air quality

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening)

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

actual front end outer dimensions are approximately 12 5/8" width X 22 5/8" height

16"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 7.75"h] Copper Coil-Insulated Line Set + Product Details Size –+ Product Details Size 16"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 17. 75" Width X 7. 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 wear