30"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 13.75"h] Adjustable Return + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 10"w X 4"h is the size for the duct opening measurement only

+ Product Details Compact and Secure Design - Measures 3-7/8" wide x 3-1/2" high x 3" deep

Aluminum Garage Door Air Vent Grille Register - With Damper Control Lever For Winter & Summer Settings - With Insect Net Prevent Guard [17

screws same color as vent cover

Actual Filter Size – 7 3/4"w x 9 3/4" x 1"

30"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 31.75"w x 13.75"h] Adjustable Return + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 10"w X 4"h is the size for the duct opening measurement only + Product Details Compact and Secure Design Measures 3 7 8" wide x 3 1 2" high x 3" deep