Buy online and pick-up your order in store for free.
Product description
• Galvanized butterfly damper ideal back-draft damper for solar, fresh air intake, heat exchangers and other air duct applications • Galvanized steel construction • Used to adjust and balance airflow in individual runs of round pipe • Installs easily in existing and new round pipe • Diameter: 4"
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*The inventory of products is updated daily. Quantity variations may occur. Certain products may only be available by special order. Contact your regional store for full details.
Buy online and pick-up your order in store for free.