Double wall spiral flat oval ducts are air distribution components designed for HVAC systems, featuring two layers of material for added durability and insulation. The outer layer provides extra strength and protection, while the inner layer ensures smooth airflow, reducing air resistance. Made from corrosion-resistant materials like galvanized steel or aluminum, these ducts are built for long-lasting performance. The flat oval shape allows for efficient air movement in spaces with height restrictions, making them ideal for commercial and industrial applications. Double wall construction also helps in reducing noise and preventing condensation, improving overall system efficiency
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