30" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are 10" diameter

+ Product Details Size - 30"w X 24"h X 2"d (for duct opening measurement only)

Crafted meticulously from high-quality steel

For 14" duct opening

30" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe actual front end outer dimensions+ 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