34" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set actual front end outer dimensions

actual front end outer dimensions are approximately 42 5/8" width X 12 5/8" height -

875" width X 20" height

+ Product Details Size – 12"w X 32"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 28 5/8" width X 26 5/8" height

+ Product Details Size – 36"w X 10"h is the size for the duct opening measurement only

34" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 6" Or 6" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 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