26" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 6in Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 31 3/4" x 1"

Actual Filter Size – 24 3/4"w x 23 3/4" x 1"

Solid Rigid Steel Body For Durability and Reliability

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

26" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 6in Actual Filter Size – 31+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 34" OR 34" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 33. 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