Name: Black Hydrophobic Meltblown Fabric ClothLevel: BFE > 99% Melt-blown clothReisitance: <30PaType: Melt-blown Non-woven FabricWidth: 17.5cm, 26cm, CustomizedWeight: 20g/m2, 25g/m2, 50g/m2, CustomizedPackaging: PE bag + carton boxMaterials: 100% polyethylene PPColor: WhiteFunction: filtrate virus, bacteria, particles and odorCertificate: ISO9001