N95 face mask,N95 81105 respirator ,3M respirator mask, anti pig flu mask,best price.best quality. 1) 2.3plu face mask avaliable2) higher filtration efficinet reach 98%3)Standard colors are white and blue4)Material: Nonwoven fabric5)Size: 175mm+/-5mm, depth:80mm+/-5mm6)Package: 50pcs/poly bag, N95 face mask,N95 81105 respirator 3M respirator mask