24" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter flat stamped steel + Product Details Outer dimensions:

+ Product Details Outer dimensions: 19

border: none

actual front end outer dimensions are approximately 20 5/8" width X 34 5/8" height

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

Perfectly suited for both residential and commercial use

24" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter flat stamped steel + Product Details Outer dimensions:+ 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