N95 Particulate Respirator and 3 Ply Ear-Loop Surgical Face Mask

product description

disposable n95/ffp1/ffp2/ffp3 dust mask with niosh standard for medical industrial safety 

n95-by niosh standard---usa standard

ffp1/ffp2/ffp3 by ce en149  standard---europe standard

n95/ffp1/ffp2/ffp3 respirator is the most common types of particulate filtering face piece respirators.

in united states, niosh defines n95 respirator filters at least 95% of airborne particles, not resistant to oil.

european standard en 149 defines: 

class     filter penetration limit (at 95 l/min air flow)     inward leakage

ffp1       filters at least 80% of airborne particles