Hydrophilic PVDF Syringe Filters 25mm Diameter 0.22μm Pore Size for Laboratory Filtration by Finetech (Pack of 20)Made in Taiwan (PVDF 25mm 0.22um, 20): Amazon.com: Industrial & Scientific
PVDF Syringe Filter – Membrane Solutions
Filtre Millex®, 33 mm, en PVDF, pores de 0,45 µm, stérile, usage réservé à la recherche (RUO) pore size 0.45 μm, diam. 33 mm, sterile, hydrophilic | Sigma-Aldrich