The BYD DE-2322 is a vertical bifold mask. The air inside a BYD DE-2322 is about 15 times cleaner than the air outside of it. Watch the video below to learn how to properly wear it.
The BYD DE-2322 is a vertical bifold mask. The air inside a BYD DE-2322 is about 15 times cleaner than the air outside of it. Watch the video below to learn how to properly wear it.