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I'll give that a try next

But, the standards in the industry have been significantly raised over time, and even cheaper brands [nowadays] often perform as good in those quality attributes during blind tests

Most non-smokers and non-vapers couldnt care less about whether or not somebody vapes or smokes

Its a complex aerosol containing three distinct categories of pollutants: Large Particles (PM10): The visible smoke you seeash particles and tar droplets Fine & Ultrafine Particles (PM2.5 and PM1): Microscopic combustion byproducts that penetrate deep into lungs Gaseous Pollutants & VOCs: Over 7,000 chemical compounds, including formaldehyde, benzene, ammonia, and nitrogen oxides Heres the critical insight that changed how I evaluate purifiers: A unit with a high CADR and excellent HEPA filter will rapidly remove categories 1 and 2