34"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 29.75"h] RV Mobile Home + Product Details Size -

+ Product Details Size - 34"w X 12"h X 2"d (for duct opening measurement only)

this flex duct decreases the pressure loss and provides a more hygienic environment

+ Product Details Size – 12"w X 18"h is the size for the duct opening measurement only

simplifying maintenance

+ Product Details Size – 24" Wooden Corner Baseboard Grille

34"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 29.75"h] RV Mobile Home + Product Details Size -+ Product Details Size 34"w X 28"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 75" Width X 29. 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