Filtration

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

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

    Ahlstrom

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

    Item No: 9620-1850

    $31.56
    (100)
  • 18.5 cm diameter circles - Grade 992 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 9920-1850

    $26.44
    (100)
  • 18.5 cm diameter circles - Pleated Grade 505 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5050-1850

    $123.60
    (50/pk)
  • 18.5 cm diameter circles - Pleated Grade 509 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5090-1850

    $126.01
    (50/pk)
  • 18.5 cm diameter circles - Pleated Grade 513 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5130-1850

    $123.60
    (50/pk)
  • 18.5 cm diameter circles - Pleated Grade 515 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5150-1850

    $122.35
    (50/pk)
  • 18.5 cm diameter circles - Pleated Grade 519 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5190-1850

    $145.05
    (100/pk)
  • 18.5 cm diameter circles - Pleated Grade 542 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5420-1850

    $118.23
    (100/pk)
  • 18.5 cm diameter circles - Pleated Grade 561 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

    18.5 cm diameter circles - Pleated Grade 561 Ahlstrom Qualitative Filter - 50/pk

    Item No: 5610-1850

    $102.55
    (50/pk)
  • 18.5 cm diameter circles - Pleated Grade 562 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5620-1850

    $132.69
    (100/pk)
  • 19 cm diameter circles - Grade 615 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 6150-1900

    $29.49
    (100/pk)
  • 2.1 cm diameter circles - Grade 111 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1110-0210

    $40.16
    (100/pk)
  • 2.1 cm diameter circles - Grade 121 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1210-0210

    $55.85
    (100/pk)
  • 2.1 cm diameter circles - Grade 131 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1310-0210

    $59.88
    (100/pk)
  • 2.1 cm diameter circles - Grade 141 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1410-0210

    $53.83
    (100/pk)
  • 2.1 cm diameter circles - Grade 151 Ahlstrom Glass Microfiber Filter - Standard TCLP Filter - 100/pk

    Ahlstrom

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

    Item No: 1510-0210

    $96.68
    (100/pk)
  • 2.1 cm diameter circles - Grade 161 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1610-0210

    $35.98
    (100/pk)
  • 2.1 cm diameter circles - Grade 169 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1690-0210

    $55.79
    (100/pk)
  • 2.4 cm diameter circles - Grade 111 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1110-0240

    $43.20
    (100/pk)
  • 2.4 cm diameter circles - Grade 121 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1210-0240

    $58.91
    (100/pk)
  • 2.4 cm diameter circles - Grade 131 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1310-0240

    $64.19
    (100/pk)
  • 2.4 cm diameter circles - Grade 141 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1410-0240

    $54.93
    (100/pk)
  • 2.4 cm diameter circles - Grade 151 Ahlstrom Glass Microfiber Filter - Standard TCLP Filter - 100/pk

    Ahlstrom

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

    Item No: 1510-0240

    $100.71
    (100/pk)
  • 2.4 cm diameter circles - Grade 161 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1610-0240

    $36.90
    (100/pk)