SPECIFICATIONS
![](https://cdn.shopify.com/s/files/1/0264/6514/0785/files/testtubes_da65b597-3ab1-4930-b8fe-574f3f523061.jpg?v=1598906121)
- Nelson Labs test results show that Private Stock Labs masks meet and/or surpass the highest mask standards and specifications.
- While achieving the highest specifications and test results, PSL masks are produced and distributed for civilian use, making PSL masks the new "gold standard" in civilian-use masks.
![](https://cdn.shopify.com/s/files/1/0264/6514/0785/files/chart2.jpg?v=1599159719)
![](https://cdn.shopify.com/s/files/1/0264/6514/0785/files/NEW_N_1.jpg?v=1599760022)
![](https://cdn.shopify.com/s/files/1/0264/6514/0785/files/NEW_N_2.jpg?v=1599760037)
![](https://cdn.shopify.com/s/files/1/0264/6514/0785/files/NEW_N_3.jpg?v=1599760047)
![](https://cdn.shopify.com/s/files/1/0264/6514/0785/files/NEW_N_4.jpg?v=1599760067)