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Category: Steildach-Zubehör
Backflow flap for mechanical extract ventilation systems DN 100, DN 125, DN 150


  • For preventing unwanted air exchange and heat loss and to reduce condensation
  • Optionally available for  Aura vent, Euro vent, Sani Extra and Duo plumbing vent
  • Backflow flap is integrated during production
  • Delivery time of the backflow flap on request