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

Grade GF/A binder-free Whatman glass microfiber filters are available in a wide range of sizes in circles and sheets.

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Product Product Name Price
1820-037 Grade GF/A Fine Retention Filter, 37 mm circle (100 pcs) Ø 37 mm 100 pieces 43.65 USD Add to cart

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1820-061 Grade GF/A Fine Retention Filter with Reinforced Rim, 60 mm circle (50 pcs) Ø 60 mm 50 pieces 79.24 USD Add to cart

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1820-8013 Grade GF/A Fine Retention Filter, 13 mm circle (100 pcs) Ø 13 mm 100 pieces 66.26 USD Add to cart

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1820-6537 Grade GF/A Fine Retention Filter, 81 mm circle (100 pcs) Ø 81 mm 100 pieces 132.51 USD Add to cart

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1820-090 Grade GF/A Fine Retention Filter, 90 mm circle (100 pcs) Ø 90 mm 100 pieces 98.28 USD Add to cart

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1820-070 Grade GF/A Fine Retention Filter, 70 mm circle (100 pcs) Ø 70 mm 100 pieces 65.53 USD Add to cart

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1820-915 Grade GF/A Fine Retention Filter, 460 × 570 mm (25 pcs) 460 x 570 mm (18.11 x 22.44 in) 25 pieces 732.00 USD Add to cart

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1820-125 Grade GF/A Fine Retention Filter, 125 mm circle (100 pcs) Ø 125 mm 100 pieces 169.30 USD Add to cart

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1820-042 Grade GF/A Fine Retention Filter, 42.5 mm circle (100 pcs) Ø 42.5 mm 100 pieces 46.62 USD Add to cart

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1820-110 Grade GF/A Fine Retention Filter, 110 mm circle (100 pcs) Ø 110 mm 100 pieces 133.74 USD Add to cart

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1820-050 Grade GF/A Fine Retention Filter, 50 mm circle (100 pcs) Ø 50 mm 100 pieces 59.22 USD Add to cart

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1820-055 Grade GF/A Fine Retention Filter, 55 mm circle (100 pcs) Ø 55 mm 100 pieces 54.19 USD Add to cart

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1820-024 Grade GF/A Fine Retention Filter, 24 mm circle (100 pcs) Ø 24 mm 100 pieces 36.80 USD Add to cart

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1820-025 Grade GF/A Fine Retention Filter, 25 mm circle (100 pcs) Ø 25 mm 100 pieces 36.80 USD Add to cart

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1820-060 Grade GF/A Fine Retention Filter, 60 mm circle (100 pcs) Ø 60 mm 100 pieces 75.53 USD Add to cart

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1820-240 Grade GF/A Fine Retention Filter, 240 mm circle (100 pcs) Ø 240 mm 100 pieces 285.00 USD Add to cart

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1820-021 Grade GF/A Fine Retention Filter, 21 mm circle (100 pcs) Ø 21 mm 100 pieces 36.80 USD Add to cart

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1820-047 Grade GF/A Fine Retention Filter, 47 mm circle (100 pcs) Ø 47 mm 100 pieces 51.66 USD Add to cart

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1820-150 Grade GF/A Fine Retention Filter, 150 mm circle (100 pcs) Ø 150 mm 100 pieces 231.00 USD Add to cart

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1820-866 Grade GF/A Fine Retention Filter, 8 × 10 in (100 pcs) 8 x 10 in 100 pieces 464.00 USD Add to cart

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