32" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Anodized Aluminum actual front end outer dimensions

actual front end outer dimensions are approximately 24 5/8" width X 28 5/8" height

Outer Dimensions Are 17

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scratch-resistant surface that gleams like it's just been waxed

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 26" OR 26" x 30" duct opening (measured at the opening)

32" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Anodized Aluminum actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 28" OR 28" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 27. 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