14" x 32" or 32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Round Duct Pipe Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 5

+ Product Details Size – 18" x 24" or 24" x 18" is the size for the duct opening measurement only

Actual Filter Size – 15 3/4"w x 7 3/4" x 1"

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14" x 32" or 32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Round Duct Pipe Actual Front End Outer Dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 32" OR 32" X 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 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