Telescopic Underfloor Vent Vertical Extension Piece - 1204

To provide vertical extension to the Timloc telescopic underfloor ventilator to accommodate different wall, cavity and brick courses. Always use in conjunction with a Timloc telescopic underfloor ventilator and extension accessories. Fits externally over the upper and lower parts of the telescopic underfloor ventilator to accommodate a vertical step of more than 5 brick courses.