20" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 10" with actual outer dimensions of

with actual outer dimensions of 16

+ Product Spec Sheet Aluminum Return Grille Spec Sheet

Choose from a palette of four elegant colors – white

Actual Filter Size – 13 3/4"w x 33 3/4" x 1"

20" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 10" with actual outer dimensions of+ Product Details Perfect Fit & Easy Sizing Designed for a 20" x 22" OR 22" x 20" duct opening (measured at the opening), with actual outer dimensions of 22. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 19. 75" x 21. 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