30" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-4.2 Yellow + Product Details Size –

+ Product Details Size – 12"w X 24"h is the size for the duct opening measurement only

providing the flexibility to match specific ventilation requirements or personal comfort levels

If you are looking to enhance your project with a top-of-the-line unit

actual front end outer dimensions are approximately 14 5/8" width X 32 5/8" height

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

30" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-4.2 Yellow + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 32" OR 32" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 31. 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