1.       We are a well-known enterprise in this field, engaged in offering fine grade MASK PROTECTION EFFICIENCY. 2.       Owing to our wide distribution network, we have been able to offer superior grade MASK PROTECTION EFFICIENCY. An N95 respirator is a respiratory protective device designed to achieve a very close facial fit and very efficient filtration of airborne particles. ... They are tested for fluid resistance, filtration efficiency (particulate filtration efficiency and bacterial filtration efficiency), flammability and biocompatibility