Fitty N99 Medical Mask Firmly guard in the three-dimensional and layered product Protect pollen and dust through the three-layer filter of non-woven fabric Use full soft rubber friendly ear to ear over Convenient individually wrapped in a mobile Does not put pressure on the nose and mouth, no unpleasant stuffiness Filter collection efficiency test: 99% splash including bacteria cut: BFE test 99% splash including the virus cut: VFE test Pollen 99% cut: pollen collection efficient test Fine 99% cut: PFE test
