Filtration

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

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

    Ahlstrom

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

    Item No: 6310-1250

    $18.82
  • 12.5 cm diameter circles - Grade 642 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 6420-1250

    $18.82
  • 12.5 cm diameter circles - Grade 74 Ahlstrom Quantitative Filter - 100/pk

    Ahlstrom

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

    Item No: 0740-1250

    $60.42
  • 12.5 cm diameter circles - Grade 909 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 9090-1250

    $18.82
  • 12.5 cm diameter circles - Grade 94 Ahlstrom Quantitative Filter - 100/pk

    Ahlstrom

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

    Item No: 0940-1250

    $60.42
  • 12.5 cm diameter circles - Grade 950 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 9500-1250

    $19.59
  • 12.5 cm diameter circles - Grade 961 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

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

    Item No: 9610-1250

    $16.46
  • 12.5 cm diameter circles - Grade 962 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 9620-1250

    $18.33
  • 12.5 cm diameter circles - Pleated Grade 505 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5050-1250

    $109.12
  • 12.5 cm diameter circles - Pleated Grade 509 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5090-1250

    $107.11
  • 12.5 cm diameter circles - Pleated Grade 513 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5130-1250

    $109.12
  • 12.5 cm diameter circles - Pleated Grade 515 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5150-1250

    $108.15
  • 12.5 cm diameter circles - Pleated Grade 517 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

    12.5 cm diameter circles - Pleated Grade 517 Ahlstrom Qualitative Filter - 50/pk

    Item No: 5170-1250

    $72.70
  • 12.5 cm diameter circles - Pleated Grade 519 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5190-1250

    $134.88
  • 12.5 cm diameter circles - Pleated Grade 542 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5420-1250

    $104.43
  • 12.5 cm diameter circles - Pleated Grade 561 Ahlstrom Qualitative Filter - 50/pk

    Ahlstrom

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

    Item No: 5610-1250

    $91.18
  • 12.5 cm diameter circles - Pleated Grade 562 Ahlstrom Qualitative Filter - 100/pk

    Ahlstrom

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

    Item No: 5620-1250

    $125.88
  • 14.2 cm diameter circles - Grade 121 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1210-1420

    $460.34
  • 14.2 cm diameter circles - Grade 141 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1410-1420

    $516.89
  • 14.2 cm diameter circles - Grade 151 Ahlstrom Glass Microfiber Filter - Standard TCLP Filter - 100/pk

    Ahlstrom

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

    Item No: 1510-1420

    $681.87
  • 14.2 cm diameter circles - Grade 161 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1610-1420

    $202.47
  • 15 cm diameter circles - Grade 111 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1110-1500

    $275.23
  • 15 cm diameter circles - Grade 121 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1210-1500

    $499.16
  • 15 cm diameter circles - Grade 131 Ahlstrom Glass Microfiber Filter - 100/pk

    Ahlstrom

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

    Item No: 1310-1500

    $395.19