Exhaust Flap, 70 mm (2.75") open, pressure-controlled, stainless steel

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

Description:
- The flap is open and closes when negative pressure occurs
- Inner diameter ø 70 mm
- Outer diameter ø 81 mm
- Made of stainless steel
- Adjustable

Suitable for:
- Exhaust systems with a 70 mm diameter