14"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 35.75"h] 10" Diameter Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 14" Width X 4" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

including the ability to mount without removing the thermostat when using the ring base

875" width X 7

And Meets/Beats ASTM B280 Standard

With these options

14"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 35.75"h] 10" Diameter Actual Front End Outer Dimensions+ Product Details Size 14"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 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