Syringe Filter, PTFE, 25mm diameter, 0.45um, 25/pk:
Simsii Sterile Syringe Filter, Hydrophobic PTFE, Diameter 25 mm, Pore Size 0.22 um, Pack of 50. $58.50. Only 10 left in stock - order soon. Simsii Syringe Filter, Hydrophobic PTFE Membrane Disc, Diameter 25 mm, Micron Pore Size 0.45 um, Pack of 100. 5.0 out of 5 stars 1.