Systemair Backdraft Damper, Series: RSK, 8 in Size, 24 ga Steel, G90 Galvanized, Vertical Mounting, 3-1/8 in L
Instruction/Installation Manual- The 2-blades are spring-loaded
- Every damper is built with performance in mind
- 3/32 in Dia brass central rod
- Stainless steel torsion spring
- EPBM synthetic rubber gasket