I also found a supplier of LG Airwashers on Prime, whose address is listed as LG household & healthcare USA. is there a way we could test their validity?

Link as follows: https://www.amazon.com/dp/B09239CHS5/ref=cm_sw_r_cp_apa_glt_fabc_G01YENJG65EAE02DA2MG?psc=1