36" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Grilles text-align: left

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this guard is designed to provide maximum protection against tampering while maintaining a clean and professional appearance

Aluminum Return Grille Spec Sheet

+ Product Details Size – 6" x 18" or 18" x 6" is the size for the duct opening measurement only

36" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Grilles text-align: left+ Product Details Perfect Fit & Easy Sizing Designed for a 36" x 16" OR 16" x 36" duct opening (measured at the opening), with actual outer dimensions of 38. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 35. 75" x 15. 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