hydrophobic 0.22 um syringe filter for minerals-Voa Vial. This item: Simsii Sterile Syringe Filter, Hydrophobic PTFE, Diameter 25 mm, Pore Size 0.22 um, Pack of 50 $58.50 ($11.70/10 Items) Only 11 left in stock - order soon. Ships from and sold by Simsii, Inc.. 10ml Syringe Sterile with Luer Lock Tip, BH. Chat Now.