To replace 1 standard Brick 1 high x 1 long, this high flow vent gives 5,100 Sq mm of ventilation.
Easier to install with no brick cutting involved, great for low sub-floor walls.

• Replaces 1 standard Brick
• Attractive Sand and Cement surround with 11mm brass wire insert
• Increased sub-floor Ventilation can help with musty smells and mould inside
• Good cross flow ventilation can help reduce cupping of floor boards and timber decay
• 5,100 Sq mm of ventilation per vent