24" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w30h30 Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 15 3/4" x 1"

12"w X 8"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 20"w X 25"h is the size for the duct opening measurement only

Pressure rating: 2300 to 6500 psi

875" width X 13

24" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w30h30 Actual Filter Size – 31+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 16" OR 16" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 15. 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