User Notices

User Notices


NIOSH issued approval for the BYD model DE2322 N95 respirator on June 7, 2020 under approval  number TC-84A-9221.  The production of NIOSH approved BYD model DE2322 N95 respirators began on June 9th, 2020.


Users can validate that they have received products that are approved by checking to make sure that the Lot number and  Production Date which is provided on the package is on or after June 9th, 2020 as shown in the example below:


  1. Lot number: 6200609 (YYMMDD)


  1. Production date: 2020/06/09 (YYMMDD)



 Second User Notice