简要说明：.PALL滤芯的技术工艺：
  (1).滤材由专利纤维和树脂通过特有工艺制成。具有固定的空隙结构，滤材无脱落。被拦截的污染颗粒不会因压差和流量的脉动而产生“卸料”现象。
  (2).采用由表及里、沿流动方向逐渐缩小的渐变孔径结构。分层拦截不同尺寸的污染颗粒。实现深层纳垢。从而大大提高了使用寿命。
  (3.)采用螺旋绕带加强的支撑，保证滤材的稳固

　　目前常见的PALL滤芯的型号如下：
HC9650FUN8Z HC9651FKZ16Z
HC9650FUS8Z HC9651FKP16Z
HC9650FUT8Z HC9651FKN16Z
HC9650FUP13Z HC9651FKS16Z
HC9650FUN13Z HC9651FKT16Z
HC9650FUS13Z HC9651FDP8H
HC9650FUT13Z HC9651FDN8H
HC9650FUP16Z HC9651FDS8H
HC9650FUN16Z HC9651FDT8H
HC9650FUS16Z HC9651FDP13H
HC9650FUT16Z HC9651FDN13H
HC9651FKZ8H HC9651FDS13H
HC9651FKP8H HC9651FDT13H
HC9651FKN8H HC9651FDP16H
HC9651FKS8H HC9651FDN16H
HC9651FKT8H HC9651FDS16H
HC9651FKZ13H HC9651FDT16H
HC9651FKP13H HC9651FDP8Z
HC9651FKN13H HC9651FDN8Z
HC9651FKS13H HC9651FDS8Z
HC9651FKT13H HC9651FDT8Z
HC9651FKZ16H HC9651FDP13Z
HC9651FKP16H HC9651FDN13Z
HC9651FKN16H HC9651FDS13Z
HC9651FKS16H HC9651FDT13Z
HC9651FKT16H HC9651FDP16Z
HC9651FKZ8Z HC9651FDN16Z
HC9651FKP8Z HC9651FDS16Z
HC9651FKN8Z HC9651FDT16Z
HC9651FKS8Z HC9651FUP8H
HC9651FKT8Z HC9651FUN8H
HC9651FKZ13Z HC9651FUS8H
HC9651FKP13Z HC9651FUT8H
HC9651FKN13Z HC9651FUP13H
HC9651FKS13Z HC9651FUN13H