26"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 11.75"h] w28h28 + Product Details Size –

+ Product Details Size – 12"w X 28"h is the size for the duct opening measurement only

Actual Filter Size – 21 3/4"w x 19 3/4" x 1"

crafted from 99

Actual Filter Size – 21 3/4"w x 5 3/4" x 1"

12" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

26"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 11.75"h] w28h28 + Product Details Size –+ Product Details Size 26"w X 10"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 27. 75" Width X 11. 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