30" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w25h25 Plain Ends - Gives you

Plain Ends - Gives you the freedom to cut and flare at your own project needs

8" Diameter Is The Size For The Duct Opening Measurement Only

actual front end outer dimensions are approximately 24 5/8" width X 18 5/8" height

Pressure Rating: 2100 to 7000 PSI

/* slightly looser */ color: #333

30" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w25h25 Plain Ends - Gives you+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 20" OR 20" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 19. 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