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GE Healthcare Whatman™ Glass Microfiber Prefilter, 1µm Particle Retention Rating Available on GSA/VA Contract for Federal Government customers only.

Multilayer graded density filters for rapid and efficient filtration of samples with high solids content. Whatman™ Glass Microfiber Prefilters are designed with a coarse glass filter top layer (10µm) meshed with a finer layer. The multigrade glass filter traps larger particles in its pores of the coarse layer, medium-sized particles in the interface meshing, and smaller particles in the interstices of the fine layer.

Manufacturer:  GE Healthcare 1841047

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Catalog No. 09-874-82

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  • Can filter nearly twice as much sample volume as that of a single-density prefilter
  • Compared to an unprotected membrane, three to seven times greater sample volume can be filtered
  • Higher particulate loading capacity and faster flow rates than uniform prefilters
  • Excellent particle retention (both large and small particles)
  • 100% borosilicate glass, binder-free
  • Extends life of final filter membrane

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3.1 s/100 ml/1.56 cm2
1.8 in.
1.5 sec./100mL/1.56cm2
Grade GMF 150
730 μm
Borosilicate glass
GE’s Whatman GMF 150 prefilters are multilayer graded density filters for rapid and efficient filtration of samples with high solids content.
47 mm
>1 μm
0.029 in.
222 mL/min
Prefilter with high loading capacity and good flow rates.
Glass Microfiber Prefilter, 1 μm particle retention rating, 47 mm circles (40 pcs)
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