UNDERFLOOR VENT HORIZONTAL EXTENSION SLEEVE (115mm)

Timloc Underfloor Vent Horizontal Extension Sleeve (115mm) has been designed to be used with the telescopic underfloor ventilator.

You should ony attach the airbrick to the slotted end of this extension. Fits between the upper opening at the front of the telescopic underfloor ventilator.

This provides an additional 115mm to the ventilator. The extension is used when you have a thicker brick course or larger wall cavity. For use on external walls that are more than 102.5mm thick but are less than 215mm in thickness. If you need an even larger extension, this product can be slotted together to create longer sections.