The Manthorpe Airbrick Blue-Black G930BLB is designed to provide effective ventilation for cavity walls and underfloor voids. This 9" x 3" airbrick can be stacked to create larger vent openings by joining multiple units together.

Product Features:

• Evenly Spaced Grill: The airbrick features an evenly spaced grill that prevents large insects from entering while remaining wide enough to avoid blockage by debris, paint, or water droplets.
• Mortar Key: The airbrick has a mortar key around the edge, allowing for secure fixing to surrounding masonry.

The Manthorpe Airbrick Blue-Black G930BLB is a reliable and effective solution for ventilating cavity walls and underfloor voids.