24"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 31.75"h] Aluminum Bar + Product Details Size - Height_16in RG1612AL Product Details Size 14

+ Product Details Size - 10"w X 30"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 20 5/8" width X 14 5/8" height -

The vent also has a bug screen to eliminate pest intrusion

actual front end outer dimensions are approximately 26 5/8" width X 26 5/8" height

Actual Filter Size – 19 3/4"w x 29 3/4" x 1"

24"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 25.75"w x 31.75"h] Aluminum Bar + Product Details Size Height_16in RG1612AL Product Details Size 14 + Product Details Size 10"w X 30"h X 2"d (for duct opening measurement only) actual front end outer dimensions are approximately 20 5 8" width X 14 5 8" height