1. Source: The effect of indoor office environment on the work performance, health and well-being of office workers; Komalanathan Vimalanathan corresponding author and Thangavelu Ramesh Babu - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4591743/
2. As discussed in The effect of indoor office environment on the work performance, health and well-being of office workers: National Library of Medicine.
3. Verified by Intertek, Report Number RT20E-S0010-R, Issue Date:17 April 2020 The K-element(Electrostatic Precipitator) of Samsung Electronics can sterilize the microorganisms that are collected on the filter (Escherichia coli: above 99 %, Staphylococcus aureus: above 99 %). This filter captures ultra-fine dust up to 0.3μm in size. The PM 1.0 air purification filter is available on the WindFree™ Pure, and as an accessory for the 360 cassette, 4-way cassette and 1-way cassette.
4. Verified by Intertek testing samples of Samsung AR9500T in a continuous airflow condition (to KS K 0693:2016 protocol using bacteriophage MS2 virus ATCC 15597-B1 and Escherichia coli strain C3000 ATCC 15597) and antiviral Tri-Care Filter (to Samsung-defined test criteria using Staphylococcus aureus ATCC 6538 and Klebsiella pneumoniae ATCC 4352). Our products have not been tested for their effects on the COVID-19 virus. Therefore, we do not make or give any express or implied claims or guarantees with regard to COVID-19. It is only available on the WindFree™ Elite and Avant models.