30" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Material_Steel /* Adding space between bullet

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Actual Filter Size – 15 3/4"w x 17 3/4" x 1"

Actual Front End Outer Dimensions Are 18" Width X 5" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

Durable and Long-Lasting – Built with high-impact clear plastic and premium materials for dependable performance

30" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Material_Steel /* Adding space between bullet+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 6" OR 6" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 5. 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 Made