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What’s the aperture size (hole diameter) needed for a Rooflight?

  • Mini-Heki S / Mini-Heki Plus / AirQuad = 400x400 mm
  • Heki 1 / Heki 2 / Heki 3 Plus / Heki 4 Plus = 960x655 mm
  • Midi Heki = 700x500 mm

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