28" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel actual front end outer dimensions

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

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Design – removable door/face for easy filter change & cleaning - uses a 1" thick filter

+ Product Details Size – 32"w X 8"h is the size for the duct opening measurement only

28" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 28" x 8" OR 8" x 28" duct opening (measured at the opening), with actual outer dimensions of 30. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 27. 75" x 5. 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