UL ETL Certification Multi-Functional Floor Stand New Wind PM2.5 Air Purifier with true HEPA and 200cm3/H Posted on January 5, 2019January 5, 2019 by olans228UL Certification Multi-Functional Floor Stand New Wind PM2.5 Air Purifier with true HEPA and 200cm3/HUL ETL Certification Multi-Functional Floor Stand New Wind PM2.5 Air Purifier with true HEPA and 200cm3/H