32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 10" +How To Measure A Grille

+How To Measure A Grille Overall Size:

+ Product Details Size – 8" x 18" or 18" x 8" is the size for the duct opening measurement only

where form meets function flawlessly

helping to maintain consistent temperature settings

32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 10" +How To Measure A Grille+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 14" OR 14" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 13. 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