12" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Fixed Blades with Damper but still light and handy

but still light and handy

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while its modern design complements any space

providing efficient performance of up to 300m3/h

+ Product Details Size - 25"w X 28"h is the size for the duct opening measurement only

12" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Fixed Blades with Damper but still light and handy+ Product Details Perfect Fit & Easy Sizing Designed for a 12" x 24" or 24" x 12" duct opening (measured at the opening), with actual outer dimensions of 14. 5" W x 26. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 11. 75" x 23. 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