22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_White Great emphasis has been invested

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

Performance – High diffusion induction rates result in rapid temperature and velocity equalization of the mixed air mass well above the zone of occupancy

the T-Bar vent covers

HVAC Premium - A Brand You Can Trust

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22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_White Great emphasis has been invested+ 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