Exhaust damper, 70 mm (2.75") diameter, closed, pressure-controlled, stainless steel

What’s Included:
-  Flap control ø 70mm 2.75" closed, pressure-controlled exhaust flap stainless steel

Description:
- The flap is closed and opens when negative pressure is present
- Inner diameter ø 70mm
- Outer diameter ø 81mm
- Made of stainless steel
- Adjustable

Suitable for:
- Exhaust systems with 70mm diameter