Fisherbrand™ Glass Fiber Circles

Faster flow, higher retention than cellulose filters

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Catalog No. 09-804-21A


This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000. 


    Material Glass Fiber
    Diameter (Metric) Outside 2.1cm
    Autoclavable Yes
    For Use With (Application) General purpose, air pollution monitoring, biochemical biological filtration cells, precipitated proteins, scintillation counting, radioimmunoassays
    Flow Rate Fast
    Grade G6
    Particle Retention 1.6μm
    Temperature (Metric) Max 500°C
    Thickness (English) 0.012 in.
    Thickness (Metric) 0.32mm
    Diameter (English) Outside 0.82 in.
    Temperature (English) Maximum 932°F

    Used as prefilters and for gravimetric analyses. Suitable for many corrosive applications.

    • Low hygroscopicity
    • Chemically and biologically inert, with no organic binders
    • Offer higher retention efficiency of fine particles (<3µm in size)
    • Resist clogging for greater loading capacity than cellulose paper filters
    • Autoclavable and usable to 500°C (932°F)
    • Filters should be used flat: folding will break the glass fibers

  • Description & Specifications
  • Accessories

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