3ply Non-Woven Face Mask with Filter Earloop type Material:PP Non-Woven CE, FDA, EN14683, ISO9001: 2000 3-ply disposable face mask with ear-loopsFeature: ... flu, factory etc.Besides: BFE≥99 %( test by NELSON LAB).Non-woven with air permeability. Low breathing resistance <2.5mm H2O.Warranty & Return ... good condition, we will test all products before sending out. Non-Woven Face Mask with Filter GFM-38