36" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Outdoor Vent Covers built for durability and long

built for durability and long life in mind

875" height

Whether you're updating a single room or renovating an entire space

Choose from a palette of four elegant colors – white

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36" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Outdoor Vent Covers built for durability and long+ Product Details Perfect Fit & Easy Sizing Designed for a 36" x 20" OR 20" x 36" duct opening (measured at the opening), with actual outer dimensions of 38. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 35. 75" x 19. 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