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.
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.