... Filter Fabrics 1).ISO/RoHS/SGS compliant 2).Nontoxic, ordoless 3)Small resistance,high effiiency 4).UL2 class Detailed Product ... is widely applied for primary, middle, high efficient filters, clean bench, asepsis operating rooms, steam disinfection occasions and HEPA filters, ... 10F685±5middle and high efficient filters ZF-W-r-90G99.5< 6> 90< 20F790±5middle and high efficient filters ...