24" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel Easy Unrestricted Air Flow For

Easy Unrestricted Air Flow For Your HVAC System

+ Product Details Size - 25"w X 30"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 12 5/8" width X 18 5/8" height

+ Product Details Size – 12"w X 18"h is the size for the duct opening measurement only

24" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel Easy Unrestricted Air Flow For+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 8" OR 8" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 7. 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