32" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Black 75"H – fits a 30"

75"H – fits a 30" X 6" duct opening

Actual Filter Size – 11 3/4"w x 5 3/4" x 1"

Actual Filter Size – 33 3/4"w x 19 3/4" x 1"

+ Product Details Size – 24"w X 12"h is the size for the duct opening measurement only

32" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Black 75"H – fits a 30"+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 8" OR 8" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 9. 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