30° Thinline Outdoor Louver Gable Vent (Flange Frame) - Customizable Compatible With Duct 10in + Product Details Size –

+ Product Details Size – 6"w X 10"h is the size for the duct opening measurement only

+ Product Details Size – 28"w X 16"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 12" duct opening (measured at the opening)

Actual Filter Size – 13 3/4"w x 33 3/4" x 1"

+ Product Details Size - 12"w X 10"h Is The Size For The Duct Opening Measurement Only

30° Thinline Outdoor Louver Gable Vent (Flange Frame) - Customizable Compatible With Duct 10in + Product Details Size –Our 30 Thinline Aluminum Louver Vent Exterior Air Grille for Walls, Gables & Crawlspaces is Weather Resistant with a Flange Frame. Features Fixed 30 horizontal blades on 3 4" spacing Fully extruded aluminum blades and flange 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. Available in