The Zhong Yi N95 Particulate Respirator Mask has a 95% filter efficiency against particulate aerosol substances free of oil. It has been evaluated, tested, and approved by the NIOSH in 42 CFR standard. It's latex-free and includes an aluminum nose-clip for adjustment.
Customers can choose between a box of 20 or a case of 400 masks (see Quantities).
Zhong Yi N95 Particulate Respirator Mask NIOSH Test Report
Zhong Yi N95 Particulate Respirator Mask Product Specification Sheet