34" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w10h10 providing comfort and control

providing comfort and control

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+ Product Details Size – 12"w X 10"h is the size for the duct opening measurement only

For added protection

Cubic core eggcrate design has the highest rate of airflow efficiency

34" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w10h10 providing comfort and control+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 10" Or 10" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 75" x 9. 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