Mexico 0.22 um ptfe syringe filter for fertilizers-Voa Vial 0-00x HPLC PTFE Syringe Filter, 25mm Diameter, 0.22 um Pore Size, Hydrophobic $8.09 $8.99 previous price $8.99 Free shipping Pack of 00 Disposable Syringe Filters, PVDF, 0.22 μm, 25mm, 2.5cm, HPLC $56.99 Free shipping Pack of 00 Disposable.