This adjustable aluminium vent, measuring 9x3", is designed for surface fixing and provides a free air space of 3575sq mm. It is finished in silver and is ideal for covering a single brick aperture.

Product Features:

• Free Air Space: Offers 3575sq mm for effective ventilation.
• Coverage: Designed to cover a single brick aperture.
• Easy Surface Fixing: Can be easily installed using 4 x No.6 gauge round head screws (not included).
• Finish: Features a sleek silver finish.

This adjustable aluminium vent provides a practical solution for ventilation needs, specifically designed to cover a single brick aperture with its 9x3" dimensions and silver finish.