24" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w16h16 + Product Details Size –

+ Product Details Size – 14" x 32" or 32" x 14" is the size for the duct opening measurement only

85" width X 19

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 24" or 24" x 10" duct opening (measured at the opening)

+ Product Details Size - 14"w X 8"h is the size for the duct opening measurement only

24" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w16h16 + Product Details Size –+ 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