26" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter with filter actual front end outer dimensions

actual front end outer dimensions are 3"

The total outer size of this grille is the listed size plus plus 2 and 5/8"

Actual Filter Size – 35 3/4"w x 25 3/4" x 1"

actual front end outer dimensions are approximately 35

actual front end outer dimensions are approximately 22" width X 16" height

26" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter with filter actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 14" OR 14" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 13. 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