Classifications: KF94, CE FFP2, FDA Class II Non-woven LIP 3D Mask is shaped in flat form. Tested with sodium chloride, Hummingbird masks are safe for daily use. Hummingbird 3D KF94 Respirator is equivalent in quality to Europe FFP2 mask or FDA Class II respirator Initial NaCl Penetration Value - Approved Initial Paraffin Oil Penetration Value -Approved Initial Pressure Drop Value - Approved Individual / Bulk Packaging Non-Woven Black or White Made In South Korea
