8" x 26" or 26" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 28.5"] Adjustable Return Whether you're updating a single

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

4" X 14" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

+ Product Details Size - 20"w X 12"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 15

8" x 26" or 26" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 28.5"] Adjustable Return Whether you're updating a single+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 26" or 26" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 75" x 25. 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