26"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 13.75"h] w20h20 Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 17 3/4" x 1"

no sharp edges & easy to clean

actual front end outer dimensions are approximately 32 5/8" width X 24 5/8" height -

+ Product Details Size – 30" x 34" or 34" x 30" is the size for the duct opening measurement only

Actual Front End Outer Dimensions Are 42" Width X 18" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

26"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 13.75"h] w20h20 Actual Filter Size – 13+ Product Details Size 26"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 27. 75" Width X 13. 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