“How can we prevent harmful particles from getting into ventilation systems?”
Ventilation systems are vital for keeping indoor air quality inside the built environment to high quality levels. However, we also want to ensure that no harmful particles such as embers or pollutants can enter. This can be accomplished by installing Mesh Vents over ventilation chambers, which will trap and filter noxious air particles before entrance.
Image credit http://www.bestmaterials.com