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Telescopic Underfloor Vent

£2.83 Each
In stock

Adjustable ventilator to provide ventilation beneath suspended ground floors up to 5 brick courses. With incorporated grille to prevent vermin entry. The vertical height of the ventilator unit adjusts to suit between 3 and 5 brick courses (225mm-375mm) with a minimum cavity width of 50mm. 

  • Telescopic and adjustable for a step of 3, 4 or 5 brick courses

  • Horizontal and vertical extension accessories available

  • Free area of 8000mm2 per unit when installed without 1201AB airbrick

  • Free area of 6500mm2 per unit when installed with 1201AB airbrick

  • Equivalent area of 6170mm2 per unit when installed with 1201AB airbrick

  • Special grille included to prevent entry of vermin

  • Durable, robust and totally resistant to decay

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