16" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w25h25 display === 'none' || dd

display === 'none' || dd

fasten the edges to studs with the provided screws

actual front end outer dimensions are approximately 14 5/8" width X 20 5/8" height -

actual front end outer dimensions are approximately 35

16" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w25h25 display === 'none' || dd+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 10" OR 10" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 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