External gravity shutter, made of high quality ABS, shock-proof and UV resistant, RAL9010. Recommended for installation in combination with fans without shutters. The shutters open automatically when the air flows through. When the fan is off they close down so to prevent air flowing back from outside.

  • Via Mario Calderara 39/41
  • 25018 Montichiari (BS) ITALIA
  • +39 030 674681
  • +39 030 6872149
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