26" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Bar actual front end outer dimensions

actual front end outer dimensions are approximately 36 5/8" width X 32 5/8" height

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height -

Actual Filter Size – 24 3/4"w x 33 3/4" x 1"

+ Product Details Size – 14"w X 30"h is the size for the duct opening measurement only

and lay it flat in the grid

26" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Bar actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 8" OR 8" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 7. 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