34" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w20h20 + Product Details Size -

+ Product Details Size - 4"w X 36"h is the size for the duct opening measurement only

Total outer size of this grille is

this piece is the perfect touch of class you need to add to your decor

actual front end outer dimensions are approximately 14 5/8" width X 38 5/8" height

Its polished pre-finish gloss varnish not only adds to its appeal but also ensures easy installation

34" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w20h20 + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 8" Or 8" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 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