Backdraft damper for circular ducts, manufactured from galvanized sheet metal. The 2 blades are spring-loaded. Every damper is built with performance in mind. The damper can be mounted vertically.
fantech® Backdraft Damper, 6 in Size, 24 ga Steel, Galvanized, Vertical Mounting, Round, 3-1/8 in L
Instruction/Installation Manual- Damper blades formed from aluminum H14
- Stainless steel torsion spring
- 3/32 in Dia brass central rod
- EPBM synthetic rubber gasket
- The 2 blades are spring-loaded
- Every damper is built with performance in mind, the damper can be-mounted vertically