22"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 25.75"h] 8" Round Duct Pipe + Product Details Size –

+ Product Details Size – 30"w X 26"h is the size for the duct opening measurement only

+ Product Details Size - 22"w X 36"h is the size for the duct opening measurement only

Round-neck-to-square-face construction results in 360 degree air diffusion pattern similar to a full round diffuser

+ Product Description The Clear Plastic Thermostat Guard provides reliable protection and security for your thermostat while ensuring optimal functionality

The smooth

22"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 25.75"h] 8" Round Duct Pipe + Product Details Size –+ Product Details Size 22"w X 24"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 75" Width X 25. 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