Washington state hospitals scramble to find counterfeit N95 masks, test staffers | The Seattle Times
▻https://www.seattletimes.com/seattle-news/health/washington-state-hospitals-scramble-to-find-counterfeit-n95-masks-test
Lot numbers that investigators believe are counterfeit for Model 1860 include : B19029, B19206, B19240, B19130, B19133, B19155, B19161, B19206, B19314, B20010, B20013, B20016, B20018, B20020, B20021, B20022, B20025, B20060, B20119, B20245, R20025, R20102, R20144, R20150, R20294.
Lot numbers that could be counterfeit for Model 1860S include : B20522, B20659, B20670, R20522.