18"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 7.75"h] Compatible with Duct 10" Actual Filter Size – 13 Compatible with Duct 4" Product Details Size 32 LO246

Actual Filter Size – 13 3/4"w x 5 3/4" x 1"

Choose our premium HVAC grilles and registers for long-lasting durability

Incorporated with Integral Butterfly Damper for full Airflow Control

Suitable For Floor

+ Product Details Size – 25"w X 10"h is the size for the duct opening measurement only

18"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 19.75"w x 7.75"h] Compatible with Duct 10" Actual Filter Size – 13 Compatible with Duct 4" Product Details Size 32 LO246 Actual Filter Size – 13 3 4"w x 5 3 4" x 1" Choose our premium HVAC grilles and registers for long lasting durability