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+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 8" OR 8" x 20" duct opening (measured at the opening)
Slim Sliding Metal Damper To Control and Adjust Airflow
+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 14" or 14" x 12" duct opening (measured at the opening)
it ensures long-lasting performance in both residential and commercial settings
30" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum - Cube Core + Product Details Perfect Fit+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 28" OR 28" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 27. 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
US$ 45.99
US$ 33.99
US$ 39.99