New after-fit drill and vent used to ventilate an existing cavity wall.

The CLV lovered vent can be introduced when the wet trades have finished. It differs from most circular ventilators as it has an airflow aperture rating of 2100mm2.

The Type CLV - Circular Lovered Ventilator is available in a range of colours to suit popular masonry colours. Terracotta, Beige, Brown, White and Black.

Data:

Polypropylene.

Size 79/70 x 15mm - Requires 70mm hole.

Louvres deflect driving rain and provide insect screening.

Integral location grips.

Featured in the latest 2010 Book of Wise Decisions Pocket Guide