22" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Copper Coil The smooth

The smooth

actual front end outer dimensions are approximately 14 5/8" width X 22 5/8" height

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

75"H – fits a 18" X 6" duct opening

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22" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Copper Coil The smooth+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 18" OR 18" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 20. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 17. 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