Restoration of Air Purification System After years of operation, a client’s air purification unit showed signs of declining performance — including internal contamination and a warning light signaling mechanical distress. The accumulation of debris and particulate buildup was compromising system efficiency and posing a risk to long-term functionality.   Kogi... Restoration of Air Purification System After years of operation, a client’s air purification unit showed signs of declining performance — including internal contamination and a warning light signaling mechanical distress. The accumulation of debris and particulate buildup was compromising system efficiency and posing a risk to long-term functionality.   Kogi...