点、其过滤精度过滤精度标定，过滤比β3、5、10.20≥200，过滤效率n≥99.5%，符合ISO标准PLFA-H30x3PPLFA-H60x3PPLFA-H110x3PPLFA-H160x3PPLFA-H240x3FPPLFA-H330x3FPPLFA-H500x3FPPLFA-H660x3FPPLFA-H30x5PPLFA-H60x5PPLFA-H110x5PPLFA-H160x5PPLFA-H240x5FPPLFA-H330x5FPPLFA-H500x5FPPLFA-H660x5FPPLFA-H30x10PPLFA-H60x10PPLFA-H110x10PPLFA-H160x10PPLFA-H240x10FPPLFA-H330x10FP