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Whatman™ Glass Microfiber Prefilter, 1μm Particle Retention Rating

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.

$115.75 - $123.69

Specifications

Material Borosilicate glass
Flow Rate 3.1 sec./100mL/1.56cm2
Grade GMF 150
View More Specs
Products
Catalog Number Mfr. No. Diameter (Metric) Outside Price Quantity    

09-874-82

 
whatman™
1841-047
47mm Pack of 40 Each for $115.75

09-916-5

 
whatman™
1841-090
90mm Pack of 20 Each for $123.69
Description & Specifications

Specifications

Material Borosilicate glass
Flow Rate 3.1 sec./100mL/1.56cm2
Grade GMF 150

  • 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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