Whatman® Puradisc 25 syringe filters

0.45 μm, PVDF, 50pk

Whatman filter, disposable syringe filters, Z672653, Whatman filters


PVDF membrane
polypropylene housing




pack of 50


Whatman 6746-2504
Whatman Article No. 28420242 (US reference)


25 mm

filtration area

4.2 cm2


≤100 mL

pore size

0.45 μm


female Luer inlet (lock)
male Luer outlet

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General description

Puradisc syringe filters combine premium quality and economy. They are ideal for the quick, efficient filtration of samples up to 100 mL volume.

Puradisc filters are produced from pigment-free polypropylene or polycarbonate with standard inlet (female luer lock) and outlet (male luer) connections (unless otherwise stated). Options include a sterile, medical-grade blister pack for critical applications and a special tube tip outlet that allows the sample to be accurately dispensed into a micro-vial, eliminating air lock.

Features and benefits:

  • Pigment-free polypropylene (polycarbonate for Puradisc 30 and Aqua 30
  • Standard inlet and outlet luer connector
  • Tube-tip format (optional) for accurate dispensing into a micro-vial
  • Choice of membrane or glass microfiber filter media
  • Choice of filter sizes (4 mm, 13 mm or 30 mm) to minimize sample loss
  • Sterile option for critical applications
  • Wide range of membranes


  • HPLC aqueous sample preparation
  • Biological sample preparation
  • Buffer solutions
  • Salt solutions
  • Tissue culture media
  • Irrigation solutions
  • Sterile isolation


Suitable for filtration of biological and HPLC samples.

Other Notes

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

Legal Information

Whatman is a registered trademark of Cytiva
Certificate of Analysis
Certificate of Origin

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