The circular dampers are suitable for the control and the adjust of the air flow in air conditioning or ventilation ducts.
- Frame in galvanised steel, thickness and length see detailed schedule
- Blades in galvanised steel, thickness see detailed schedule
- Axes 10x10 mm, in galvanised steel
- Siliconical joint on the connection
- Bearings in black nylon
- Knob in black nylon