26" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter rg1010 + Product Details Size -

+ Product Details Size - 8"w X 26"h X 2"d (for duct opening measurement only)

It comes with two versatile mounting base options—solid and ring—making installation simple and flexible

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 16" OR 16" x 20" duct opening (measured at the opening)

Whether you choose the modern contemporary

+ Product Details Size - The listed 6" diameter refers specifically to the size of the duct opening

26" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter rg1010 + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 22" OR 22" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 21. 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