• For ventilating rooms or poorly ventilated roof areas
•  With wind-driven rotor cover made of weather-resistant polypropylene (PP)
  • Extremely smooth running rotor
  • Rotor rotation from a wind speed of approx. 1 m/s
  • Very durable
  • UV resistant
• Available in DN 125 with flange made of rigid PVC and with flange collars made of bituminous membrane or plastic or elastomeric roofing sheet

In the version with flange collar made of bituminous membrane, the flange collar is root penetration resistant in accordance with EN 13948.