28"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 17.75"h] Insulated Line Set order a 20x14 grille

order a 20x14 grille

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 32" OR 32" x 26" duct opening (measured at the opening)

Actual Filter Size – 25 3/4"w x 9 3/4" x 1"

+ Product Details Size - 10"w X 8"h is the size for the duct opening measurement only

85" width X 9

28"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 17.75"h] Insulated Line Set order a 20x14 grille+ Product Details Size 28"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 75" Width X 17. 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