Fantech RSK 6 Backdraft Damper

Fantech RSK – 6″ Duct – Backdraft Damper

• Fantech RSK 6, 6″ Back-Draft Damper
• Damper blades formed from aluminum H14
• 3/32″ diameter brass central rod
• 24 GA, G90 galvanized steel casing
• EPBM synthetic rubber gasket

The Fantech RSK6 backdraft damper prevents the unwanted flow of air into a house through exhaust ducts when the exhaust fan is off. These sensitive spring-loaded backdraft dampers will accomplish this with minimal effect on the exhaust stream, while providing a good seal against backdrafts. Three (3) inches long.