Durable, Leak-Free, Low-Noise OperationMetal MaterialMount the Fan at any Angle/Direction Within the DuctworkBuilt-In Thermal Overload Protection with Auto ResetOperable in...
Designed for Circular DuctsDamper Blades Formed from Aluminum H14Stainless Steel Torsion SpringSynthetic Rubber Gasket0.9-in Diameter Brass Central Rod...
Designed for Circular DuctsDamper Blades Formed from Aluminum H14Stainless Steel Torsion SpringSynthetic Rubber Gasket0.9-in Diameter Brass Central Rod...