32" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_White + Product Details Size -

+ Product Details Size - 8"w X 14"h is the size for the duct opening measurement only

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Actual Front End Outer Dimensions Are 16" Width X 6" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

Whether replacing an old register or installing a new vent

32" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_White + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 18" OR 18" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 20. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 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