Telescopic (adjustable) underfloor ventilator to provide ventilation beneath suspended ground floors (equivalent area of 6000mm²).
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.
The vertical height of the ventilator unit XL adjusts to suit between 5 and 7 brick courses (375mm-525mm) with a minimum cavity width of 50mm.
Extensive range of quick and easy to fit horizontal and vertical extension accessories (doesn't restrict air flow through the ventilator):
- horizontal front extension sleeve
- vertical extension sleeve
- duct adaptor
- horizontal rear extension sleeve.
- top hat gas barrier