Filtration

High quality filtration products including: membrane filters, pre-filtration media, glass fiber, cellulose filters, qualitative and quantitative filter papers, and specialty test papers.

  • 38.5 cm diameter circles - Grade 617 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

    38.5 cm diameter circles - Grade 617 Ahlstrom Qualitative Filter - 50/pk

    Item No: 6170-3850

    $68.83
    (50)
  • 38.5 cm diameter circles - Grade 631 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Grade 631 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6310-3850

    $128.88
    (100)
  • 38.5 cm diameter circles - Grade 642 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Grade 642 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6420-3850

    $128.88
    (100)
  • 38.5 cm diameter circles - Grade 909 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Grade 909 Ahlstrom Qualitative Filter - 100/pk

    Item No: 9090-3850

    $150.66
    (100)
  • 38.5 cm diameter circles - Grade 950 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Grade 950 Ahlstrom Qualitative Filter - 100/pk

    Item No: 9500-3850

    $158.70
    (100)
  • 38.5 cm diameter circles - Grade 961 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

    38.5 cm diameter circles - Grade 961 Ahlstrom Qualitative Filter - 50/pk

    Item No: 9610-3850

    $99.82
    (50)
  • 38.5 cm diameter circles - Grade 962 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Grade 962 Ahlstrom Qualitative Filter - 100/pk

    Item No: 9620-3850

    $107.75
    (100)
  • 38.5 cm diameter circles - Grade 992 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Grade 992 Ahlstrom Qualitative Filter - 100/pk

    Item No: 9920-3850

    $86.65
    (100)
  • 38.5 cm diameter circles - Pleated Grade 505 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Pleated Grade 505 Ahlstrom Qualitative Filter - 100/pk

    Item No: 5050-3850

    $244.36
    (50/pk)
  • 38.5 cm diameter circles - Pleated Grade 509 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Pleated Grade 509 Ahlstrom Qualitative Filter - 100/pk

    Item No: 5090-3850

    $225.03
    (50/pk)
  • 38.5 cm diameter circles - Pleated Grade 513 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Pleated Grade 513 Ahlstrom Qualitative Filter - 100/pk

    Item No: 5130-3850

    $220.96
    (50/pk)
  • 38.5 cm diameter circles - Pleated Grade 515 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Pleated Grade 515 Ahlstrom Qualitative Filter - 100/pk

    Item No: 5150-3850

    $218.80
    (50/pk)
  • 38.5 cm diameter circles - Pleated Grade 519 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Pleated Grade 519 Ahlstrom Qualitative Filter - 100/pk

    Item No: 5190-3850

    $271.73
    (100/pk)
  • 38.5 cm diameter circles - Pleated Grade 542 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Pleated Grade 542 Ahlstrom Qualitative Filter - 100/pk

    Item No: 5420-3850

    $211.39
    (100/pk)
  • 38.5 cm diameter circles - Pleated Grade 562 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    38.5 cm diameter circles - Pleated Grade 562 Ahlstrom Qualitative Filter - 100/pk

    Item No: 5620-3850

    $256.12
    (100/pk)
  • 4.25 cm diameter circles - Grade 111 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

    4.25 cm diameter circles - Grade 111 Ahlstrom Glass Microfiber Filter - 100/pk

    Item No: 1110-0425

    $50.66
    (100/pk)
  • 4.25 cm diameter circles - Grade 121 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

    4.25 cm diameter circles - Grade 121 Ahlstrom Glass Microfiber Filter - 100/pk

    Item No: 1210-0425

    $89.45
    (100/pk)
  • 4.25 cm diameter circles - Grade 131 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

    4.25 cm diameter circles - Grade 131 Ahlstrom Glass Microfiber Filter - 100/pk

    Item No: 1310-0425

    $80.47
    (100/pk)
  • 4.25 cm diameter circles - Grade 141 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

    4.25 cm diameter circles - Grade 141 Ahlstrom Glass Microfiber Filter - 100/pk

    Item No: 1410-0425

    $64.96
    (100/pk)
  • 4.25 cm diameter circles - Grade 151 Ahlstrom Glass Microfiber Filter - Standard TCLP Filter - 100/pk

    Ahlstrom

    4.25 cm diameter circles - Grade 151 Ahlstrom Glass Microfiber Filter - Standard TCLP Filter - 100/pk

    Item No: 1510-0425

    $119.49
    (100/pk)
  • 4.25 cm diameter circles - Grade 161 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

    4.25 cm diameter circles - Grade 161 Ahlstrom Glass Microfiber Filter - 100/pk

    Item No: 1610-0425

    $49.68
    (100/pk)
  • 4.25 cm diameter circles - Grade 169 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

    4.25 cm diameter circles - Grade 169 Ahlstrom Glass Microfiber Filter - 100/pk

    Item No: 1690-0425

    $66.12
    (100/pk)
  • 4.25 cm diameter circles - Grade 388 Ahlstrom-Munksjö Low Ash Filter - 100/pk

    Ahlstrom

    4.25 cm diameter circles - Grade 388 Ahlstrom-Munksjö Low Ash Filter - 100/pk

    Item No: 3880-0425

    $20.72
    (100)
  • 4.25 cm diameter circles - Grade 391 Ahlstrom-Munksjö Low Ash Filter - 100/pk

    Ahlstrom

    4.25 cm diameter circles - Grade 391 Ahlstrom-Munksjö Low Ash Filter - 100/pk

    Item No: 3910-0425

    $20.72
    (100)