頗爾濾芯UE619AT20Z,打折結構過濾面積大,起始壓差低,流速快,過濾器容積小,造價成本小。由于是預過濾和終過濾合二為一,因此濾芯容污能力較大。使用壽命比單一孔徑的濾芯長。單一的聚丙烯材質,易判斷其化學兼容性。四海濾清器廠生產PALL頗爾濾芯UE219,UE319系列和UE619系列濾芯,四海采用玻璃纖維材質,過濾精度分別為:3,5,7,12,22微米。四海濾芯的規格及尺寸。完全替代PALL頗爾濾芯。具體型號如下:UE619AZ20H UE619AZ20Z UE619AZ40H UE619AZ40Z UE619AP20H UE619AP20Z UE619AP40H UE619AP40Z UE619AN20H UE619AN20Z UE619AN40H UE619AN40Z UE619AS20H UE619AS20Z UE619AS40H UE619AS40Z UE619AT20H UE619AT20Z UE619AT40H UE619AT40Z UE219AZ08H UE219AZ08Z UE219AZ13H UE219AZ13Z UE219AZ20H UE219AZ20Z UE219AZ40H UE219AZ40Z UE219AP08H UE219AP08Z UE219AP08H UE219AP13H UE219AP13Z UE219AP20H UE219AP20Z UE219AP40H UE219AP40Z UE319AN08H UE319AN08Z UE319AN13H UE319AN13Z UE319AN20H UE319AN20Z UE319AN40H UE319AN40Z UE319AS08H UE319AS08Z UE319AS13H UE319AS13Z UE319AS20H UE319AS13Z UE319AS20H UE319AS20Z UE319AS40H UE319AS40Z UE319AT08H等