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Backdraft dumper – Ø160 mm
Non-return flap for insertion into round ventilation ducts (pipes) with a diameter of ∅160 mm with instant opening and closing.
Backdraft dumper – Ø100 mm
Non-return flap for insertion into round ventilation ducts (pipes) with a diameter of ∅315 mm with instant opening and closing.
Backdraft dumper – Ø125 mm
Non-return flap for insertion into round ventilation ducts (pipes) with a diameter of ∅125 mm with instant opening and closing.
Backdraft dumper – Ø150 mm
Non-return flap for insertion into round ventilation ducts (pipes) with a diameter of ∅150 mm with instant opening and closing.
Backdraft dumper – Ø200 mm
Non-return flap for insertion into round ventilation ducts (pipes) with a diameter of ∅200 mm with instant opening and closing.
Backdraft dumper – Ø250 mm
Non-return flap for insertion into round ventilation ducts (pipes) with a diameter of ∅250 mm with instant opening and closing.
Backdraft dumper – Ø315 mm
Non-return flap for insertion into round ventilation ducts (pipes) with a diameter of ∅315 mm with instant opening and closing.