Whatman Grade GF/A Glass Microfiber Filters

Whatman Grade GF/A Glass Microfiber Filters with fine particle retention, high capacity, fast flow rates for large-volume liquid and air filtration.

The filters feature fine particle retention for a range of liquid and air filtration applications. These have a nominal particle retention of 1.6µm at 98% efficiency and are suited for a variety of applications involving large sample volumes such as:

  • Water and air pollution monitoring and wastewater filtering
  • Foodstuff analysis
  • Filtering of algae and bacteria cultures
  • Protein filtration
  • Radioimmunoassay of weak β emitters
  • Gravimetric determination of airborne particulates
Part NumberDiameterQuantityPrice
1820-021 21 mmPack/100$74.24
1820-024 24 mmPack/100$74.24
1820-025 25 mmPack/100$74.24
1820-037 37 mmPack/100$85.77
1820-042 42.5 mmPack/100$91.56
1820-047 47 mmPack/100$101.44
1820-050 50 mmPack/100$116.31
1820-055 55 mmPack/100$106.41
1820-060 60 mmPack/100$148.35
1820-070 70 mmPack/100$128.69
1820-090 90 mmPack/100$193.03
1820-110 110 mmPack/100$269.33
1820-125 125 mmPack/100$340.00
1820-150 150 mmPack/100$466.67
1820-240 240 mmPack/100$576.00