Respirator Rating Letter Class. It stands for “N on-Oil” meaning that if no oil-based particulates are present, then
you can use the mask in the work environment. Other mask s ratings are R (resistant to oil for 8 hours) and P (oil proof ).
N95 Mask- American Safety
Adjustable Nose Clip
Packed 20 pc in a box –
With certificates FDA – CE – ISO – 9001