32" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-4.2 Yellow Filter Size - 9

Filter Size - 9

actual front end outer dimensions are approximately 32 5/8" width X 28 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 12" OR 12" X 18" duct opening (measured at the opening)

Actual Filter Size – 25 3/4"w x 5 3/4" x 1"

32" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-4.2 Yellow Filter Size - 9+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 8" OR 8" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 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