Roof-mounted device for intake of fresh air into the ventilation system.
Features:
- Low design
- Excellent storm water and snow resistance
- Solid structure
- Optimum pressure drop
- Low sound level
- Innovative design
Application
Designed to operate in tough conditions. The labyrinth structure ensures good resistance (rain, snow, hail) in stormy weather (wind speeds up to 25 m/s). 
