32" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter listed size +1

listed size +1

actual front end outer dimensions are approximately 34 5/8" width X 27 5/8" height -

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 30" or 30" x 12" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 36" OR 36" x 18" duct opening (measured at the opening)

32" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter listed size +1+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 34" Or 34" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 33. 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