24" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14in diameter Actual Filter Size – 35

Actual Filter Size – 35 3/4"w x 31 3/4" x 1"

85" width X 5

+ Product Description Maximize the efficiency of your ventilation system with our top-of-the-line HVAC grilles and registers

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 36" OR 36" x 18" duct opening (measured at the opening)

24" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14in diameter Actual Filter Size – 35+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 6" OR 6" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 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