- Raw aluminum finish.
- Constructed of aluminum.
- Closing opposite fins and transmission by pinions.
- Manual actuator by pinion (G) or lever (P) included.
- The measurement is Width by Height (A X B).
L-OB-S = standard damper for diffusers and grilles
L-OB-D= duct damper with external lever
For different sizes and finishes, consult the factory. Damper for ducts L-OB-D is only compatible with lever actuator (P).