Method of use:Fresh air flaps with
self-opening and self-closing lamellas. When the
negative pressure unit is switched-on, the
flapsopen at a low volume flow.
If the negative pressure is decreasing, the flaps will close
automatically.Technical data:
Synthetic, weatherproof (UV-stable)
Usable
in temperature ranges from -30 °C to +70 °C
5
standard sizes 910 x 610, 610 x 610, 610 x 305, 305 x 305, 305 x 180 (Specifications in mm)
