This Blauberg AH-10 external wall vent in classic white is designed for 100mm (4") ducting systems, making it ideal for both modern and traditional properties. It is suitable for supply or extract ventilation in domestic, commercial, or industrial setups. The vent features a sleek, wall-mounted baffle design with built-in UV protection to resist sun damage and reduce wind and noise intrusion. The cover is removable and includes a drip tray for easy cleaning and maintenance. Constructed from flame-retardant, non-combustible materials for enhanced safety, it is a popular choice for advanced ventilation systems like MVHR, MEV, dMEV, and single-room heat recovery units.