6"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 15.75"h] 14" Diameter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 24" OR 24" x 26" duct opening (measured at the opening)

+ Product Details Size - 28"w X 16"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 32 5/8" width X 26 5/8" height -

10"w X 6"h Is The Size For The Duct Opening Measurement Only

Actual Filter Size – 7 3/4"w x 27 3/4" x 1"

6"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 15.75"h] 14" Diameter + Product Details Perfect Fit+ Product Details Size 6"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 7. 75" Width X 15. 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