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Whatman™ Puradisc™ 4mm Sterile Syringe Filters

Designed for aqueous and organic solutions containing high debris levels. Whatman™ Puradisc DpPP Syringe Filters: Nonsterile tolerates high heat and mechanical stress.

Manufacturer:  Whatman™ 67860402

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Catalog No. 09-913-2




Filter, Syringe; Whatman; Puradisc; Nylon membrane; Dia.: 4mm; For samples less-than-or-equal-to2ml; Pore size: 0.2um; Sterile; Polypropylene housing; Good resistance to methanol; Female Luer-Lock inlet; Male slip Luer outlet; 50/Pk.

  • Diameter: 4mm
  • Sample volume up to 2mL
  • Low hold-up volume <10μl ensures maximum sample recovery
  • Tube-tip format (optional)
  • Wide sample compatibility
  • Choice of membrane or glass microfiber filter media
  • HPLC samples containing low solid content - filtration will improve column life
  • CE (Capillary Electrophoresis) samples - filtration will eliminate spurious peaks
  • Sterile filtration of low volume samples
  • UV/Vis samples - filter directly into cuvette using tube tip
  • Refractometry - filter samples to prevent damage to instrument optics and improve accuracy of results
  • Minimize nonspecific binding to membrane (due to small membrane size)
Description & Specifications


Syringe Filter,Syringe Filter
Nylon (NYL)
female Luer-Lok
5.2 bar
0.2cm sq.
male Luer slip