10"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 37.75"h] Compatible with Duct 10" Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 21 3/4" x 1"

+ Product Details Size - 6"w X 14"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 10" or 10" x 6" duct opening (measured at the opening)

actual front end outer dimensions are approximately 20 5/8" width X 24 5/8" height

Please check the measuring guide to ensure a proper fit

10"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 37.75"h] Compatible with Duct 10" Actual Filter Size – 11+ Product Details Size 10"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 11. 75" Width X 37. 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