If your issue is recurring wildfire smoke, urban particulate, or the kind of smoke that comes and goes seasonally, the X5 is the smarter long-term investment because youre not spending $200 on filters every six months
CLO works by oxidation : it chemically interacts with odor-causing molecules (like sulfur- or nitrogen-based compounds common in smoke, mold, mildew, etc.), altering their structure so they no longer smell
They have gained a lot of popularity by representing to cigarette smokers that e-cigarettes are less addictive and will help them to quit smoking, a marketing claim used to sell products without the science to back it up
In other words, when I say standards, I think theyll live at least ten years
71, 72 Tobacco smoke affects DC activation Next to the effects on pulmonary DC migration and trafficking, tobacco smoking appears to have profound effects on the activation status of pulmonary DCs