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"] white We carry sizes the big

We carry sizes the big box stores don't

Box or Other Attachments Needed

85" width X 5

12" Diameter Is The Size For The Duct Opening Measurement Only

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"] white We carry sizes the big+ 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