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Ubbink OFT4 131mm Flat Roof Vent Terminal (Twin Wall) - PVC Flange

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£44.77 Incl. VAT
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Ubbink's OFT4 131mm Flat Roof Vent Terminal has been designed with a PVC roof covering and a special low air resistance cowl to keep things running smoothly. You can also use it in soil and vent systems, both natural (passive) and mechanical ventilation installations.

Features & Benefits: Ubbink OFT4 131mm Flat Roof Vent Terminal (Twin Wall) - PVC Flange

  • Easy to lay down and remove
  • Large vent free area
  • Low Pa Resistance
  • Suitable for PVC roof covering
  • Weight: 1.72kg
  • Diameter: 131mm
  • Height Above Roof: 400mm
  • Flange Diameter: 490mm
  • Depth Below Roof: 350mm
  • Free Vent Area: 12,000mm2
  • Pressure\Airflow Resistance: 1.0Pa


Diameter 131mm Material PVC


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