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+ Product Details Size - 36"w X 4"h is the size for the duct opening measurement only
+ Product Details Size - 28"w X 8"h is the size for the duct opening measurement only
+ Product Details Size – 30"w X 12"h is the size for the duct opening measurement only
Powder-Coat Finish – Never rust
18" x 30" or 30" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Copper Coil + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 18" x 30" OR 30" x 18" duct opening (measured at the opening), with actual outer dimensions of 20. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 17. 75" x 29. 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$ 132.28
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