26"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 31.75"h] Copper Coil-Insulated Line Set + Product Details Size –

+ Product Details Size – 34"w X 36"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 30" OR 30" x 28" duct opening (measured at the opening)

Actual Filter Size – 31 3/4"w x 11 3/4" x 1"

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Filter Size - 13

26"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 31.75"h] Copper Coil-Insulated Line Set + Product Details Size –+ Product Details Size 26"w X 30"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 27. 75" Width X 31. 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