24" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Actual Filter Size – 24

Actual Filter Size – 24 3/4"w x 29 3/4" x 1"

actual front end outer dimensions are 13

optimizing performance and energy efficiency

+ Product Details Size - 30"w X 8"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 8" duct openings

24" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Actual Filter Size – 24+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 6" OR 6" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 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