16" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 20" OR 20" x 22" duct opening (measured at the opening)

Actual Filter Size – 19 3/4"w x 13 3/4" x 1"

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16" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter + Product Details Perfect Fit+ 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