... are 175*95mm, 145*90mm, 125*80mm and so on, with 2 or 3 or 4 layers as well as many ... .Non woven face mask is made of spunbonded non woven fabric and meltblown non woven fabric2.It can be used in ... FFP1 FFP2 CE0194 N95 4. Low breathing resistance with high filtration efficiency. 5. With multi-layered non-poisonous, non-allergic, non-stimulating ...