30° Thinline Outdoor Louver Gable Vent (Channel Frame) - Customizable Compatible With Duct 5in This access door boasts a

This access door boasts a spring-loaded locking mechanism

+ Product Details Size – 18"w X 14"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 26" OR 26" X 16" duct opening (measured at the opening)

Actual Front End Outer Dimensions Are 7

30° Thinline Outdoor Louver Gable Vent (Channel Frame) - Customizable Compatible With Duct 5in This access door boasts aOur 30 Thinline Aluminum Louver Vent Exterior Air Grille for Walls, Gables & Crawlspaces is Weather Resistant with a Channel Frame. Features Fixed 30 horizontal blades on 3 4" spacing. Fully extruded aluminum blades and channel frame. Supports are hidden behind blades for a clean appearance. Bird screen is standard or optional insect screen. Available in 1" standard dimension increments. Custom sizes manufactured up to 1 16" increments. Mounting