6" x 10" or 6" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 8.5" X 12.5"] 12in diameter Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 15 3/4" x 1"

Solid Base for Stability – Built with a solid base for reliable mounting and stability

Perfectly suited for both residential and commercial use

+ Product Details Size – 32" x 36" or 36" x 32" is the size for the duct opening measurement only

providing efficient performance of up to 300m3/h

6" x 10" or 6" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 8.5" X 12.5"] 12in diameter Actual Filter Size – 31+ Product Details Perfect Fit & Easy Sizing Designed for a 6" x 10" or 10" x 6" duct opening (measured at the opening), with actual outer dimensions of 8. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 5. 75" x 9. 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