22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_White The crank handle lever makes

The crank handle lever makes it easy to adjust to every weather situation

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Tough reinforced metallized polyester jacket - tear and puncture resistant

+ Product Details Size - 25"w X 12"h is the size for the duct opening measurement only

22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_White The crank handle lever makes+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 12" OR 12" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 11. 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