28"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 35.75"h] Copper Coil actual front end outer dimensions

actual front end outer dimensions are approximately 27 5/8" width X 24 5/8" height

+ Product Details Size – 30"w X 36"h is the size for the duct opening measurement only

+ Product Details Size - 22"w X 10"h is the size for the duct opening measurement only

These Supply Diffusers with integral round necks are recommended for heating

Design – Full Control Vertical/Horizontal Air flow Direction

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