24" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10in diameter 75"H – fits a 16"

75"H – fits a 16" X 10" duct opening

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 6" duct opening (measured at the opening)

actual front end outer dimensions are approximately 14 5/8" width X 32 5/8" height

maintaining their elegant

24" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10in diameter 75"H – fits a 16"+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 20" OR 20" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 19. 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