28"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 29.75"h] Color_White pair it with our butterfly

pair it with our butterfly dampers

+ Product Details Size - 26"w X 16"h X 2"d (for duct opening measurement only)

+ Product Details Size – 34"w X 14"h is the size for the duct opening measurement only

+ Product Spec Sheet Aluminum Return Filter Grille Spec Sheet

Pressure rating: 2300 to 6500 psi

28"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 29.75"h] Color_White pair it with our butterfly+ Product Details Size 28"w X 28"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 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