24" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" ensuring that you find the

ensuring that you find the perfect fit for your ventilation needs

+ Product Details Size - 28"w X 16"h is the size for the duct opening measurement only

75" width X 19

The total outer size of this grille is the listed size plus plus 2 and 5/8"

Rigid Built For External Use – The sturdy and rigid design features noise-free components that eliminate vibration and excess noise to the louvers

24" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" ensuring that you find the+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 26" OR 26" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 25. 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