Filtration

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

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

    Ahlstrom

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

    Item No: 3910-0550

    $22.52
    (100)
  • 5.5 cm diameter circles - Grade 392 Ahlstrom-Munksjö Low Ash Filter - 100/pk

    Ahlstrom

    5.5 cm diameter circles - Grade 392 Ahlstrom-Munksjö Low Ash Filter - 100/pk

    Item No: 3920-0550

    $22.52
    (100)
  • 5.5 cm diameter circles - Grade 54 Ahlstrom Quantitative Filter - 100/pk

    Ahlstrom

    5.5 cm diameter circles - Grade 54 Ahlstrom Quantitative Filter - 100/pk

    Item No: 0540-0550

    $28.93
    (100/pk)
  • 5.5 cm diameter circles - Grade 601 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    5.5 cm diameter circles - Grade 601 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6010-0550

    $10.01
    (100/pk)
  • 5.5 cm diameter circles - Grade 610 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    5.5 cm diameter circles - Grade 610 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6100-0550

    $10.99
    (100/pk)
  • 5.5 cm diameter circles - Grade 613 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    5.5 cm diameter circles - Grade 613 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6130-0550

    $8.85
    (100/pk)
  • 5.5 cm diameter circles - Grade 615 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    5.5 cm diameter circles - Grade 615 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6150-0550

    $9.13
    (100/pk)
  • 5.5 cm diameter circles - Grade 617 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

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

    Item No: 6170-0550

    $7.96
    (50)
  • 5.5 cm diameter circles - Grade 631 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 6310-0550

    $9.84
    (100)
  • 5.5 cm diameter circles - Grade 642 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 6420-0550

    $9.84
    (100)
  • 5.5 cm diameter circles - Grade 74 Ahlstrom Quantitative Filter - 100/pk

    Ahlstrom

    5.5 cm diameter circles - Grade 74 Ahlstrom Quantitative Filter - 100/pk

    Item No: 0740-0550

    $28.93
    (100/pk)
  • 5.5 cm diameter circles - Grade 909 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 9090-0550

    $13.94
    (100)
  • 5.5 cm diameter circles - Grade 94 Ahlstrom Quantitative Filter - 100/pk

    Ahlstrom

    5.5 cm diameter circles - Grade 94 Ahlstrom Quantitative Filter - 100/pk

    Item No: 0940-0550

    $28.93
    (100/pk)
  • 5.5 cm diameter circles - Grade 950 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 9500-0550

    $14.32
    (100)
  • 5.5 cm diameter circles - Grade 961 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

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

    Item No: 9610-0550

    $11.05
    (50)
  • 5.5 cm diameter circles - Grade 962 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 9620-0550

    $13.58
    (100)
  • 50 cm diameter circles - Grade 237 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

    50 cm diameter circles - Grade 237 Ahlstrom Qualitative Filter - 50/pk

    Item No: 2370-5000

    $206.88
    (50/pk)
  • 50 cm diameter circles - Grade 54 Ahlstrom Quantitative Filter - 100/pk

    Ahlstrom

    50 cm diameter circles - Grade 54 Ahlstrom Quantitative Filter - 100/pk

    Item No: 0540-5000

    $879.05
    (100/pk)
  • 50 cm diameter circles - Grade 601 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    50 cm diameter circles - Grade 601 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6010-5000

    $209.73
    (100/pk)
  • 50 cm diameter circles - Grade 609 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    50 cm diameter circles - Grade 609 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6090-5000

    $205.81
    (100/pk)
  • 50 cm diameter circles - Grade 610 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    50 cm diameter circles - Grade 610 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6100-5000

    $223.76
    (100/pk)
  • 50 cm diameter circles - Grade 613 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    50 cm diameter circles - Grade 613 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6130-5000

    $188.58
    (100/pk)
  • 50 cm diameter circles - Grade 615 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

    50 cm diameter circles - Grade 615 Ahlstrom Qualitative Filter - 100/pk

    Item No: 6150-5000

    $194.25
    (100/pk)
  • 50 cm diameter circles - Grade 617 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

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

    Item No: 6170-5000

    $126.42
    (50)