BYD Care DE2322 NIOSH N95 Particulate Respirator Face Mask
This mask has filter efficiency of 95% or greater against solid and liquid aerosols free of oil.
- Mask contains no components made from natural rubber latex
- Fold type mask
- NIOSH approval details: 84A-9221
Item: N95 NIOSH 4-ply Protection
SIZE: Box of 20 Mask
California ordered 1 Billion of these masks, They are that good.
Link to story: https://www.sfchronicle.com/politics/article/Newsom-extends-California-s-medical-mask-deal-15426955.php