Mar 12, 2020· 10. 3M 1860 N95 Medical Mask. One of the most sought-after face masks today is 3M’s 1860 N95 Medical Mask. The company advises its distributors that the lead time for delivery of these face masks is about 2 to 3 months. It is because of the virus scare that is …
1.Three layer protect: Non-woven outer layer +filtration paper layer+skin-friendly Non-woven Inner layer.breathable comfort, low respiratory resistance. 2.Plasticity nose bridge strip, Hide the sides of the fixed nose.more suitable for all face types. 3.High-elastic flat ear strap. Will not tighten the ears.
N95 masks protect against 95% of airborne particles. N99 masks protect against 99% of airborne particles. The efficiency doesn’t refer to the particle size, it refers to the amount of leakage. So the N95 mask has slightly more leakage than the N99 mask. The testing is done with 200 mg of sodium chloride, as described in this CDC publication. The 3M N100 respirator has 99.97% leakage and provides the …
