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1.Low hygroscopicity 2.Chemically and biologically inert, with no organic binders 3.Offer higher retention efficiency of fine particles (<3µm in size) 4.Resist clogging for greater loading capacity than cellulose paper filters 5.Autoclavable and usable to 500°C (932°F) 6.Filters should be used flat: folding will break the glass fibers Fisherbrand Grade G8 G6 G4 G2 Particle Retention 2.5µm 1.6µm 1.2µm 1.0µm Flowrate Fast Fast Fast Fast Thickness 0.69mm 0.32mm 0.28mm 0.66mm Weight 121g/m2 57g/m2 51g/m2 140g/m2 Applications General purpose. Clinical specimen filtration. Recommended prefilter for 0.45µm pore size or smaller membrane filters. General purpose. Air pollution monitoring. Biochemical biological filtration cells, precipitated proteins. Scintillation counting. Radioimmunoassays. Water/wastewater analysis of suspended solids. Biochemical filtration. Microorganism retention. Harvesting lymphocytes, other cells. Scintillation counting. Biological fluids, serum, blood fractions. Biochemical polymers, precipitated proteins. Industrial waste analysis. Prefilter for membranes. Grade G8 G6 G4 G2 Diameter 21mm 21mm 21mm 21mm 25mm 24mm 24mm 42.5mm 42.5mm 42.5mm 42.5mm 55mm 55mm 55mm 55mm 70mm 70mm 70mm 90mm 90mm 110mm 125mm 150mm