30" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return grille Aluminum Garage Door Air Vent

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

designed to distribute air evenly throughout your space

+ Product Details Size – 18"w X 18"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 12 5/8" width X 20 5/8" height

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30" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return grille Aluminum Garage Door Air Vent+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 6" OR 6" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 5. 75" x 1" Premium Airflow Efficiency High performance cube core eggcrate design allows 95% airflow efficiency, reducing energy costs and maximizing HVAC system lifespan. Durable, Rust Free Aluminum Made