30" x 36" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return filter actual front end outer dimensions

actual front end outer dimensions are 11

+ Product Details Size – 25"w X 22"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 31 5/8" width X 24 5/8" height -

The powder-coat finish lends a smooth

30" x 36" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return filter actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 36" OR 36" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 38. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 35. 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