The Visqueen Airbrick is manufactured from UV stabilised polypropylene and replaces a standard external masonry brick within the wall face. A front mounted louvred grille allows airflow through to the Visqueen Adjustable Z Vent while helping to keep out driving rain and insects. The airbrick is sold separately from the vent and extension sleeve, giving flexibility to match it to whichever combination the wall build-up requires. Available in black or terracotta to suit the external finish. Benefits UV stabilised polypropylene for long term external durability Louvred grille helps keep out driving rain and insects while allowing airflow Replaces a standard masonry brick for straightforward installation Good to know Provides a free air flow capacity of 6450mm² when combined with the Adjustable Z Vent Available in black or terracotta to suit the external finish