Bond It Trowel Mastic - Black 1L 1201 Telescopic Underfloor Vent 3-5 Courses
£4.99incl VAT.
£4.16excl VAT.
Provides ventilation beneath suspended ground floors up to five brick courses. Includes a grille to prevent vermin from entering.
With a minimum cavity width of 50mm, the vertical height of the ventilator unit can be adjusted to suit between 3 and 5 brick courses (225mm-375mm).
