Butterfly Damper in Galvanized Steel, 5″ ● Includes Butterfly Identification Chart ● Includes Warranty Against Defects ▶ Attract Colorful Butterflies Today
• 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 latest round pipe • Diameter: 5″






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