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Whatman™ Glass Microfiber Prefilter, 2µm 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:  Whatman™ 1842090

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Catalog No. 09-874-86


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Specifications

Description

  • 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
Description & Specifications

Specifications

1.5 s/100 ml/1.56 cm2
1.5 sec./100mL/1.56cm2
GMF 150
40/pack
500°C
750μm
Ideal as prefilters, nearly double filtration volume compared to single-density prefilters
Prefilter
3.5 in.
Circle
2μm
932°F
0.029 in.
90mm
Borosilicate glass
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