34" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w26h26 + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 36" or 36" x 6" duct opening (measured at the opening)

each diffuser is carefully shrink-wrapped with a sturdy cardboard backing

Filter Size - 20

Durable stamped steel construction ensures long-lasting performance

Every register is carefully packaged with shrink wrap and cardboard backing to ensure it arrives in perfect condition

34" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w26h26 + Product Details Perfect Fit+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 6" Or 6" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 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