34"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 7.75"h] w28h28 + Product Details Perfect Fit 7" Round Duct Pipe CRG828 Product Details Size 14

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 6" OR 6" x 22" duct opening (measured at the opening)

2" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

+ Product Details Size - 32"w X 8"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 32 5/8" width X 12 5/8" height -

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 8" duct openings

34"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 35.75"w x 7.75"h] w28h28 + Product Details Perfect Fit 7" Round Duct Pipe CRG828 Product Details Size 14 + Product Details Perfect Fit & Easy Sizing Designed for a 22" x 6" OR 6" x 22" duct opening (measured at the opening) 2" X 10" Is The Size For The Duct Opening (floor vent hole) Measurement Only