14"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 15.75"h] 14" Round Duct Pipe + Product Details Size -

+ Product Details Size - 26"w X 10"h is the size for the duct opening measurement only

Made of High Quality Aluminum That Will Never Rust

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

+ Product Spec Sheet Floor Register Spec Sheet

14"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 15.75"h] 14" Round Duct Pipe + Product Details Size -+ Product Details Size 14"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 15. 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