... 99.97%efficiency -PP nonwoven -160cm width -10-90gsm OEM -BFE99,NOISH MELTBLOWN NONWOVEN LIQUID FILTER 99.97% ... aromaticApplication1,filtering ,seperation, insulation 2,protective mask,surgical gown,medical dressing 3,garment lining,pillow case,table ... for machine,shopping bag 5,warmth retension, noise isolation 6,superior absorbency,industrial micro-dust maskSpecificationBFE95,BFE98,BFE99 ...