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Whatman Grade GF/A Glass Microfiber Filters, Binder Free, GE Healthcare


1820-060 1820-061 1820-050 1820-070 1820-240 1820-042 1820-6537 1820-021 1820-150 1820-024 1820-025 1820-047 1820-055 1820-110 1820-8013 1820-037 1820-125 1820-866 1820-915 1820-090
These borosilicate glass filters are suitable for water quality parameter measurement and air filtration applications. The can be used for high-efficiency general purpose laboratory filtration, including water pollution monitoring of effluents, for filtration of water, foodstuff analyses, protein filtration, and radioimmunoassay of weak β emitters.

  • Suitable for a wide range of liquid and air filtration applications
  • Fine retention
  • Binder free



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Description Size Material Dimensions Type Supplier No. Catalog Number Unit List Price Quantity
Grade GF/A Fine Retention Filter, 90 mm circle 100 Pieces Borosilicate glass 90 mm Circles 1820-090 F-2771-9 Pack of 100 Retrieving


Particle Retention 1.6 µm (In Liquid)
Filtration Speed Fast; 62 s Filtration Speed (Herzberg)
Airflow Rate 4.3 s/100 ml/in²
Basis Weight 53 g/m²
Max. Operating Temperature 550° C
Typical Thickness 260 µm
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