8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 32.5"] Round Damper Ring 875" width X 6" height

875" width X 6" height

actual front end outer dimensions are approximately 34 5/8" width X 16 5/8" height

high-impact clear plastic for long-lasting performance

+ Product Details Size – 14" x 22" or 22" x 14" is the size for the duct opening measurement only

+ Product Details Size – 8"w X 20"h is the size for the duct opening measurement only

8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 32.5"] Round Damper Ring 875" width X 6" height+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 30" or 30" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 75" x 29. 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