1.N95 Particulate Chemical Respirator 2.Friendship first 3.CE, FDA 4.N95, FFP1 to FFP3 5.BFE > 94% Disposable BLUE N95 Particulate Chemical Respirator Very popular in South America Specification : 1.Conforms to American NIOSH 42CFR Part 84 standard as N95 Class,with filtration 95% effective against particulate aerosols free of oils.NIOSH Approval number TC-84A-4273. 2.Low breathing resistance for ...