Cytiva's Whatman GMF 150 prefilters are multilayer graded density filters for rapid and efficient filtration of samples with high solids content.

  • Compared to an unprotected membrane, 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

Multilayer filter design

When a sample is applied, the multigrade glass filter traps larger particles in its pores or on the surface of the coarse layer, medium-sized particles in the interface meshing, and smaller particles in the interstices of the fine layer. The multilayer design provides comprehensive particle retention.

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Product Product Name
Price
1841-047 Glass Microfiber Prefilter, 1 µm particle retention rating, 47 mm circles (40 pcs) 47 mm 1841-047 79.77 USD Add to cart

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1842-047 Glass Microfiber Prefilter, 2 µm particle retention rating, 47 mm circles (40 pcs) 47 mm 1842-047 79.77 USD Add to cart

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1841-090 Glass Microfiber Prefilter, 1 µm particle retention rating, 90 mm circles (20 pcs) 90 mm 1841-090 79.77 USD Add to cart

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1842-090 Glass Microfiber Prefilter, 2 µm particle retention rating, 90 mm circles (20 pcs) 90 mm 1842-090 79.77 USD Add to cart

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