34"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 23.75"h] Floor Grille actual front end outer dimensions

actual front end outer dimensions are approximately 27 5/8" width X 18 5/8" height

+ Product Details Size - 30"w X 8"h is the size for the duct opening measurement only

Installation Location – Wall or door mount - door thickness up to 32mm - anodised finish - smooth & beautiful

Actual Filter Size – 9 3/4"w x 11 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 36" or 36" x 8" duct opening (measured at the opening)

34"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 23.75"h] Floor Grille actual front end outer dimensions+ Product Details Size 34"w X 22"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 75" Width X 23. 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