Steel, galvanized ventilation grilles with dimensions:
- 600x600 mm
- 600x300 mm
- 600x150 mm
They come in two types:
- KWR - with a damper used to regulate the air flow
- KW - without throttle
Window sills:
- point load - 3 kN
active area F - 0.22 m2
efficiency at V=3m/s - 2530 m3/h
