8" x 20" or 20" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 22.5"] Color_Red Oak Wood + Product Description Introducing the

+ Product Description Introducing the 3-coned supply grille for a T-bar lay-in

This versatile solution enhances air supply and adds a touch of class to your space

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 28" OR 28" x 26" duct opening (measured at the opening)

allowing you to choose the best option to suit your airflow needs

8" x 20" or 20" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 22.5"] Color_Red Oak Wood + Product Description Introducing the+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 20" or 20" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 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