24" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coated + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 26" or 26" x 6" duct opening (measured at the opening)

actual front end outer dimensions are approximately 30 5/8" width X 12 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 32" OR 32" x 20" duct opening (measured at the opening)

Actual Filter Size – 7 3/4"w x 5 3/4" x 1"

24" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coated + Product Details Perfect Fit+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 26" OR 26" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 25. 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