22" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter + Product Details Size –

+ Product Details Size – 16"w X 26"h is the size for the duct opening measurement only

or luxury Victorian design

+ Product Details Size – 16" x 30" or 30" x 16" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 26" OR 26" x 24" duct opening (measured at the opening)

22" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 6" OR 6" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 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